References to concatenation
214 seqfan posts
Fri Jun 15 20:42:56 CEST 2012 [seqfan] Re: Adding digits by couples
Fri Jun 15 19:57:51 CEST 2012 [seqfan] Adding digits by couples
Sun Jun 10 13:14:09 CEST 2012 [seqfan] Re: Prime signature of 1, and second signature
Sun Jun 10 06:21:15 CEST 2012 [seqfan] Re: Prime signature of 1, and second signature
Sun Jun 3 22:32:15 CEST 2012 [seqfan] Re: Are these sequences in the OEIS?
Sun Jun 3 19:47:14 CEST 2012 [seqfan] Re: Are these sequences in the OEIS?
Tue Mar 27 13:41:09 CEST 2012 [seqfan] Re: Multiplying waterfalls (and adding?)
Thu Mar 22 16:15:42 CET 2012 [seqfan] Primes with the next digit
Tue Mar 20 19:42:50 CET 2012 [seqfan] Re: SeqFan Digest, Vol 42, Issue 7
Fri Mar 16 19:23:15 CET 2012 [seqfan] Re: a.b.c = concatenation of [ab]
Fri Mar 16 17:59:45 CET 2012 [seqfan] a.b.c = concatenation of [ab]
Mon Feb 20 03:33:04 CET 2012 [seqfan] Re: Fwd: Formula for A025672
Mon Feb 20 03:09:08 CET 2012 [seqfan] Re: Fwd: Formula for A025672
Fri Nov 11 13:23:57 CET 2011 [seqfan] Re: Digits concatenation
Fri Nov 11 10:54:17 CET 2011 [seqfan] Re: Digits concatenation
Fri Nov 11 10:23:32 CET 2011 [seqfan] Re: Digits concatenation
Fri Nov 11 08:31:23 CET 2011 [seqfan] Re: Digits concatenation
Thu Nov 10 17:42:01 CET 2011 [seqfan] Re: Digits concatenation
Thu Nov 10 15:39:40 CET 2011 [seqfan] Re: Digits concatenation
Thu Nov 10 15:25:08 CET 2011 [seqfan] Re: Digits concatenation
Thu Nov 10 15:21:15 CET 2011 [seqfan] Re: Digits concatenation
Thu Nov 10 15:16:24 CET 2011 [seqfan] Re: Digits concatenation
Thu Nov 10 15:02:47 CET 2011 [seqfan] Re: Digits concatenation
Thu Nov 10 09:31:58 CET 2011 [seqfan] Digits concatenation
Tue Sep 13 23:04:06 CEST 2011 [seqfan] Re: Do 20 and 105 eventually reach a prime in these sequences?
Tue Sep 13 22:38:00 CEST 2011 [seqfan] Re: Do 20 and 105 eventually reach a prime in these sequences?
Tue Sep 13 22:02:42 CEST 2011 [seqfan] Do 20 and 105 eventually reach a prime in these sequences?
Sun Sep 11 07:22:27 CEST 2011 [seqfan] Re: A165221
Sat Sep 10 04:27:40 CEST 2011 [seqfan] Re: A165221
Sat Sep 10 03:29:56 CEST 2011 [seqfan] A165221
Sat Aug 20 19:12:10 CEST 2011 [seqfan] Re: Interesting property of A001151
Mon Aug 8 12:14:12 CEST 2011 [seqfan] Summer sequence boot camp : adding digits to the right... and more
Wed Jun 29 20:52:14 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 10:27:34 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 10:25:44 CEST 2011 [seqfan] Re: Formulas needed for new sequence.
Wed Jun 29 06:26:53 CEST 2011 [seqfan] Formulas needed for new sequence.
Tue Jun 21 00:33:21 CEST 2011 [seqfan] Re: Is A109924 correct?
Sun Jun 19 07:21:07 CEST 2011 [seqfan] Re: Is A109924 correct?
Sun Jun 19 08:09:43 CEST 2011 [seqfan] Re: Is A109924 correct?
Sat Jun 18 22:33:56 CEST 2011 [seqfan] Re: Is A109924 correct?
Sat Jun 18 07:39:11 CEST 2011 [seqfan] Is A109924 correct?
Thu Jun 16 09:13:08 CEST 2011 [seqfan] Re: can anyone extend A006506?
Fri Jun 10 14:35:21 CEST 2011 [seqfan] Re: collatz like sequence
Fri Jun 10 10:35:55 CEST 2011 [seqfan] collatz like sequence
Sun May 29 19:25:46 CEST 2011 [seqfan] Re: Long chains
Fri May 27 08:15:20 CEST 2011 [seqfan] Long chains
Sat Mar 19 18:27:29 CET 2011 [seqfan] Sequence A083427 at the OEIS
Thu Dec 30 00:12:44 CET 2010 [seqfan] Re: Exit
Tue Dec 14 22:17:31 CET 2010 [seqfan] Re: A thought about the license: on "merciless editing"
Tue Dec 14 21:50:29 CET 2010 [seqfan] Re: A thought about the license: on "merciless editing"
Tue Dec 14 21:26:23 CET 2010 [seqfan] A thought about the license: on "merciless editing"
Tue Nov 23 12:44:29 CET 2010 [seqfan] Primes, concats and videotapes
Tue Nov 23 12:30:24 CET 2010 [seqfan] Hilbert hotel and first differences -- rooms with label 3k move to 3(k-1)
Fri Nov 19 16:36:27 CET 2010 [seqfan] Fun with prime runs
Fri Nov 19 16:14:19 CET 2010 [seqfan] Fun with palindromic runs
Wed Sep 22 16:57:09 CEST 2010 [seqfan] Re: (a+b) divides the concatenation [a,b]
Tue Sep 21 20:12:11 CEST 2010 [seqfan] Re: |a-b| divides concatenation [ab]
Tue Sep 21 19:23:15 CEST 2010 [seqfan] Re: Numbers n such that (n+n+1) divides the concatenation [n, n+1]
Tue Sep 21 19:14:49 CEST 2010 [seqfan] Re: Numbers n such that (n+n+1) divides the concatenation [n, n+1]
Tue Sep 21 19:03:22 CEST 2010 [seqfan] Re: Numbers n such that (n+n+1) divides the concatenation [n, n+1]
Tue Sep 21 18:51:30 CEST 2010 [seqfan] Numbers n such that (n+n+1) divides the concatenation [n, n+1]
Tue Sep 21 18:47:56 CEST 2010 [seqfan] Re: (a+b) divides the concatenation [a,b]
Tue Sep 21 18:20:42 CEST 2010 [seqfan] Re: (a+b) divides the concatenation [a,b]
Tue Sep 21 10:40:57 CEST 2010 [seqfan] (a+b) divides the concatenation [a,b]
Mon Sep 20 19:40:43 CEST 2010 [seqfan] Re: |a-b| divides concatenation [ab]
Mon Sep 20 19:28:21 CEST 2010 [seqfan] Re: |a-b| divides concatenation [ab]
Mon Sep 20 19:26:31 CEST 2010 [seqfan] Re: |a-b| divides concatenation [ab]
Mon Sep 20 18:15:15 CEST 2010 [seqfan] |a-b| divides concatenation [ab]
Sun Aug 22 20:51:31 CEST 2010 [seqfan] Interlude
Fri Aug 20 05:08:53 CEST 2010 [seqfan] on fox hunting
Mon Aug 9 19:54:52 CEST 2010 [seqfan] Self-building the decimal expansion of Pi with a(a(n))
Sun Jul 11 17:36:19 CEST 2010 [seqfan] Re: Prime concatenation of n consecutive primes
Sun Jul 11 12:58:36 CEST 2010 [seqfan] Prime concatenation of n consecutive primes
Tue Jun 8 14:06:48 CEST 2010 [seqfan] Re: nice base-dependent sequence
Mon Jun 7 17:08:29 CEST 2010 [seqfan] Re: nice base-dependent sequence
Wed Jun 2 12:03:16 CEST 2010 [seqfan] Re: Working in base 2, 3, k, replace n by the concatenation of its prime divisors in decreasing/increasing order (write answer in base 10) with or without multiplicity
Wed Jun 2 11:05:11 CEST 2010 [seqfan] Working in base 2, 3, k, replace n by the concatenation of its prime divisors in decreasing/increasing order (write answer in base 10) with or without multiplicity
Tue May 11 16:37:08 CEST 2010 [seqfan] Re: editing question
Tue May 11 16:01:30 CEST 2010 [seqfan] Re: editing question
Tue May 11 15:57:47 CEST 2010 [seqfan] Re: editing question
Tue May 11 08:21:33 CEST 2010 [seqfan] editing question
Sun May 9 21:49:31 CEST 2010 [seqfan] Re: A130157 and A130158
Sun May 9 21:49:31 CEST 2010 [seqfan] Re: A130157 and A130158
Sun May 9 21:02:43 CEST 2010 [seqfan] A130157 and A130158
Fri Apr 30 17:44:17 CEST 2010 [seqfan] Concatenation: summary
Fri Apr 30 16:16:15 CEST 2010 [seqfan] Re: Decimal concatenation of permutations
Thu Apr 29 18:34:44 CEST 2010 [seqfan] Re: Concatenate prime factors of n
Thu Apr 29 15:35:15 CEST 2010 [seqfan] Decimal concatenation of permutations
Thu Apr 29 08:40:38 CEST 2010 [seqfan] Re: Concatenate prime factors of n
Thu Apr 29 06:05:37 CEST 2010 [seqfan] Concatenate prime factors of n
Tue Apr 27 19:27:35 CEST 2010 [seqfan] Sequences with a^b +/- c^d
Tue Apr 27 14:54:56 CEST 2010 [seqfan] Re: Prime and composite walks concatenated
Tue Apr 27 09:24:02 CEST 2010 [seqfan] Re: Prime and composite walks concatenated
Mon Apr 26 17:55:10 CEST 2010 [seqfan] Re: Prime and composite walks concatenated
Mon Apr 26 17:18:17 CEST 2010 [seqfan] Re: Prime and composite walks concatenated
Mon Apr 26 16:43:53 CEST 2010 [seqfan] Re: Prime and composite walks concatenated
Mon Apr 26 16:28:39 CEST 2010 [seqfan] Prime and composite walks concatenated
Fri Apr 23 20:08:09 CEST 2010 [seqfan] Re: Concatenation
Sun Apr 25 14:25:32 CEST 2010 [seqfan] Re: A175388(?)
Sun Apr 25 11:10:51 CEST 2010 [seqfan] Re: A175388(?)
Sun Apr 25 06:59:12 CEST 2010 [seqfan] A175388(?)
Sun Apr 25 05:43:36 CEST 2010 [seqfan] A175388(?)
Sat Apr 24 04:27:07 CEST 2010 [seqfan] Re: Concatenation
Sat Apr 24 04:16:04 CEST 2010 [seqfan] Re: Concatenation
Sat Apr 24 01:06:06 CEST 2010 [seqfan] Re: Concatenation
Fri Apr 23 20:45:26 CEST 2010 [seqfan] Re: Concatenation
Fri Apr 23 20:06:17 CEST 2010 [seqfan] Re: Concatenation
Fri Apr 23 18:07:17 CEST 2010 [seqfan] Re: Concatenation
Fri Apr 23 18:06:40 CEST 2010 [seqfan] Re: Concatenation
Fri Apr 23 17:48:15 CEST 2010 [seqfan] Re: Concatenation
Fri Apr 23 17:40:06 CEST 2010 [seqfan] Concatenation
Sat Mar 20 14:18:38 CET 2010 [seqfan] is this worth to get an entry in OEIS?
Wed Mar 3 10:05:24 CET 2010 [seqfan] Re: Primes formed by concatenating other primes.
Tue Mar 2 19:58:07 CET 2010 [seqfan] Re: Primes formed by concatenating other primes.
Tue Mar 2 19:42:52 CET 2010 [seqfan] Re: Primes formed by concatenating other primes.
Tue Mar 2 19:25:32 CET 2010 [seqfan] Re: Primes formed by concatenating other primes.
Tue Mar 2 18:49:28 CET 2010 [seqfan] Primes formed by concatenating other primes.
Mon Feb 22 16:27:09 CET 2010 [seqfan] Re: Hidden divisors of [a(n) and a(n+1) concatenated]
Mon Feb 22 16:27:09 CET 2010 [seqfan] Re: Hidden divisors of [a(n) and a(n+1) concatenated]
Sun Feb 21 18:33:46 CET 2010 [seqfan] Hidden divisors of [a(n) and a(n+1) concatenated]
Sat Jan 16 04:25:29 CET 2010 [seqfan] What is the next prime p after 2 such that concatenating p values of A00043 is a prime, and p is itself in A000043?
Mon Jan 11 18:57:09 CET 2010 [seqfan] Re: Concatenate distances from n to prevprime and nextprime
Mon Jan 11 18:14:30 CET 2010 [seqfan] Re: Concatenate distances from n to prevprime and nextprime
Mon Jan 11 18:10:34 CET 2010 [seqfan] Re: Concatenate distances from n to prevprime and nextprime
Mon Jan 11 17:36:36 CET 2010 [seqfan] Concatenate distances from n to prevprime and nextprime
Mon Jan 11 08:26:44 CET 2010 [seqfan] FW: Re: Sums of each ten terms of A033308
Sun Jan 10 22:08:59 CET 2010 [seqfan] Re: Sums of each ten terms of A033308
Sat Jan 9 09:36:32 CET 2010 [seqfan] Re: Sums of each ten terms of A033308
Sat Jan 9 08:53:04 CET 2010 [seqfan] Sums of each ten terms of A033308
Mon Dec 28 04:20:06 CET 2009 [seqfan] Re: In search of prime concatenations of successive values of A006512 Greater of twin primes
Mon Dec 28 03:44:19 CET 2009 [seqfan] Re: In search of prime concatenations of successive values of A006512 Greater of twin primes
Mon Dec 28 03:05:22 CET 2009 [seqfan] In search of prime concatenations of successive values of A006512 Greater of twin primes
Wed Dec 23 21:36:31 CET 2009 [seqfan] Re: A170817, A170818 xref suggested
Wed Dec 23 19:51:50 CET 2009 [seqfan] A170817, A170818 xref suggested
Fri Dec 11 09:16:53 CET 2009 [seqfan] Re: Primes that are concatenation of the first n primes
Fri Dec 11 03:47:26 CET 2009 [seqfan] Primes that are concatenation of the first n primes
Thu Nov 12 05:19:20 CET 2009 [seqfan] Re: floretion video / A108618
Wed Nov 11 10:36:54 CET 2009 [seqfan] Re: floretion video / A108618
Tue Nov 10 22:49:02 CET 2009 [seqfan] Re: subset (base) of A167676: emirps which are concatenations of three consecutive primes
Tue Nov 10 22:41:45 CET 2009 [seqfan] Re: subset (base) of A167676: emirps which are concatenations of three consecutive primes
Tue Nov 10 22:41:20 CET 2009 [seqfan] Re: subset (base) of A167676: emirps which are concatenations of three consecutive primes
Tue Nov 10 22:04:41 CET 2009 [seqfan] Re: subset (base) of A167676: emirps which are concatenations of three consecutive primes
Tue Nov 10 21:03:12 CET 2009 [seqfan] subset (base) of A167676: emirps which are concatenations of three consecutive primes
Thu Nov 5 16:41:32 CET 2009 [seqfan] A167500 List of nonzero bits in this sequence (when terms are written in binary and concatenated).
Sat Oct 17 21:42:52 CEST 2009 [seqfan] Re: Base-related sequences, please go factorial!
Sat Oct 17 15:22:26 CEST 2009 [seqfan] Re: Integers formed by concatenating primes
Sat Oct 17 14:35:30 CEST 2009 [seqfan] Re: Integers formed by concatenating primes
Fri Oct 16 16:56:17 CEST 2009 [seqfan] Re: Integers formed by concatenating primes
Fri Oct 16 13:48:33 CEST 2009 [seqfan] Base-related sequences, please go factorial!
Fri Oct 16 08:13:20 CEST 2009 [seqfan] Re: Integers formed by concatenating primes
Thu Oct 15 16:59:55 CEST 2009 [seqfan] Re: re Integers formed by concatenating primes
Thu Oct 15 16:39:05 CEST 2009 [seqfan] Re: re Integers formed by concatenating primes
Thu Oct 15 14:23:47 CEST 2009 [seqfan] Re: re Integers formed by concatenating primes
Thu Oct 15 13:26:19 CEST 2009 [seqfan] re Integers formed by concatenating primes
Thu Oct 15 12:30:56 CEST 2009 [seqfan] Integers formed by concatenating primes
Fri Oct 9 02:38:44 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 02:23:12 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 02:14:37 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 01:56:38 CEST 2009 [seqfan] Edit of A155030
Thu Oct 8 19:15:28 CEST 2009 [seqfan] A151995: non-monotonic(?!)
Thu Oct 1 00:02:09 CEST 2009 [seqfan] Re: Sum divides concatenation
Wed Sep 30 23:58:49 CEST 2009 [seqfan] Re: Sum divides concatenation
Wed Sep 30 17:46:52 CEST 2009 [seqfan] Re: Sum divides concatenation
Tue Sep 29 21:59:19 CEST 2009 [seqfan] Re: Sum divides concatenation
Tue Sep 29 21:02:33 CEST 2009 [seqfan] Re: Sum divides concatenation
Tue Sep 29 20:49:45 CEST 2009 [seqfan] Re: Sum divides concatenation
Tue Sep 29 20:06:45 CEST 2009 [seqfan] Re: Sum divides concatenation
Tue Sep 29 18:28:27 CEST 2009 [seqfan] Re: Sum divides concatenation
Mon Sep 28 19:36:57 CEST 2009 [seqfan] RE : Re: Sum divides concatenation
Mon Sep 28 19:29:01 CEST 2009 [seqfan] RE : Re: Sum divides concatenation
Mon Sep 28 19:23:26 CEST 2009 [seqfan] Re: Sum divides concatenation
Mon Sep 28 19:23:32 CEST 2009 [seqfan] Re: Sum divides concatenation
Mon Sep 28 18:35:27 CEST 2009 [seqfan] Re: Sum divides concatenation
Mon Sep 28 18:19:30 CEST 2009 [seqfan] Sum divides concatenation
Thu Sep 10 04:05:04 CEST 2009 [seqfan] Re: New Prime Curio about 9298 by Post
Tue Aug 18 23:19:55 CEST 2009 [seqfan] Re: A1: In binary representation, a(n)^2 is the smallest square with n^2 as substring.
Tue Aug 18 16:38:44 CEST 2009 [seqfan] Re: A1: In binary representation, a(n)^2 is the smallest square with n^2 as substring.
Sun Jun 28 02:32:50 CEST 2009 [seqfan] A161984: obscure definition
Fri Jun 26 21:45:33 CEST 2009 [seqfan] Re: My first base-10 related question here, I think
Fri Jun 26 20:49:17 CEST 2009 [seqfan] Re: My first base-10 related question here, I think
Fri Jun 26 01:10:44 CEST 2009 [seqfan] Re: My first base-10 related question here, I think
Fri Jun 26 00:59:07 CEST 2009 [seqfan] Re: My first base-10 related question here, I think
Fri Jun 26 00:27:56 CEST 2009 [seqfan] My first base-10 related question here, I think
Tue Jun 16 15:59:09 CEST 2009 [seqfan] Re: SImplified description of A161373 and A161374
Fri Jun 12 18:20:37 CEST 2009 [seqfan] Re: SImplified description of A161373 and A161374
Fri Jun 12 16:11:16 CEST 2009 [seqfan] Re: SImplified description of A161373 and A161374
Fri Jun 12 08:29:47 CEST 2009 [seqfan] SImplified description of A161373 and A161374
Sat Mar 28 02:15:01 CET 2009 [seqfan] Re: How about
Fri Mar 27 21:41:52 CET 2009 [seqfan] How about
Fri Mar 27 17:04:37 CET 2009 [seqfan] Re: Concatenate 5 digits = prime
Fri Mar 27 16:41:55 CET 2009 [seqfan] Re: Concatenate 5 digits = prime
Fri Mar 27 12:52:48 CET 2009 [seqfan] Re: Concatenate 5 digits = prime
Thu Mar 26 20:03:43 CET 2009 [seqfan] Re: Concatenate 5 digits = prime
Thu Mar 26 19:52:48 CET 2009 [seqfan] Concatenate 5 digits = prime
Thu Mar 12 01:14:18 CET 2009 [seqfan] Re: some gp/pari code in OEIS returns rationals, not integers
Mon Feb 9 17:10:16 CET 2009 [seqfan] Re: Rank of a prime (Collatz/Syracuse)
Mon Feb 9 06:16:55 CET 2009 [seqfan] Re: Rank of a prime (Collatz/Syracuse)
Tue Feb 3 21:29:05 CET 2009 [seqfan] Re: Rank of n in the Odd/Even sequence
Tue Feb 3 16:49:23 CET 2009 [seqfan] Rank of n in the Odd/Even sequence
Tue Feb 3 14:46:02 CET 2009 [seqfan] Re: A139414
Sun Feb 1 04:40:24 CET 2009 [seqfan] Re: Rank of a prime (Collatz/Syracuse)
Sun Feb 1 02:01:42 CET 2009 [seqfan] Rank of a prime (Collatz/Syracuse)
Tue Jan 6 17:30:13 CET 2009 [seqfan] Re: Random question
Tue Jan 6 16:58:04 CET 2009 [seqfan] Re: Random question
Mon Jan 5 20:33:39 CET 2009 [seqfan] Random question
Sun Jan 4 19:22:23 CET 2009 [seqfan] Re: Question related to sequence A083188
Sun Jan 4 16:33:02 CET 2009 [seqfan] Question related to sequence A083188
Tue Dec 9 12:20:48 CET 2008 [seqfan] Re: Squares = concatenation of primes.
Tue Dec 9 05:27:50 CET 2008 [seqfan] Squares = concatenation of primes.
Sat Nov 8 19:12:10 CET 2008 [seqfan] Re: Fwd: A nice (decimal) property of 78
Fri Nov 7 20:41:54 CET 2008 [seqfan] Re: Fwd: A nice (decimal) property of 78
Fri Nov 7 18:49:56 CET 2008 [seqfan] Re: Fwd: A nice (decimal) property of 78
Fri Nov 7 04:07:32 CET 2008 [seqfan] Re: Fwd: A nice (decimal) property of 78
Mon Nov 3 01:01:12 CET 2008 [seqfan] Re: New interpretation of A001045 - Jacobsthal numbers?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
concaten
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