References to twice
100 seqfan posts
Sun Jul 22 19:58:16 CEST 2012 [seqfan] Re: Superseeker question + two interesting patterns
Mon Jul 16 10:34:28 CEST 2012 [seqfan] Superseeker question + two interesting patterns
Mon Jun 25 12:57:14 CEST 2012 [seqfan] Re: OEIS page header image
Mon Jun 4 22:18:47 CEST 2012 [seqfan] Wanted: Reader of French, regarding A002497
Sat Jun 2 22:53:33 CEST 2012 [seqfan] Re: A generalized Gilbreath's conjecture, or "lizard's effect" for primes
Sat Jun 2 20:00:26 CEST 2012 [seqfan] Re: A generalized Gilbreath's conjecture, or "lizard's effect" for primes
Sun Apr 29 19:16:40 CEST 2012 [seqfan] n-binary-hypercubes and A138553.
Wed Apr 18 09:36:41 CEST 2012 [seqfan] Re: Two neighboring digits multiply to a composite
Sun Apr 15 04:01:45 CEST 2012 [seqfan] Re: A conjeture about 34155
Thu Jan 26 02:09:23 CET 2012 [seqfan] Re: A066411
Mon Jan 9 14:36:15 CET 2012 [seqfan] Re: Number times reversal
Sat Jan 7 14:01:30 CET 2012 [seqfan] Re: Number times reversal
Sat Jan 7 10:00:13 CET 2012 [seqfan] Number times reversal
Wed Nov 23 08:36:19 CET 2011 [seqfan] Re: a last-minute entry for the A200000 race
Wed Nov 23 05:24:25 CET 2011 [seqfan] Re: a last-minute entry for the A200000 race
Tue Nov 22 06:31:32 CET 2011 [seqfan] Re: a last-minute entry for the A200000 race
Wed Nov 9 05:01:56 CET 2011 [seqfan] Re: Intersections of x^x^...^x
Tue Nov 8 05:39:54 CET 2011 [seqfan] Re: Intersections of x^x^...^x
Sun Nov 6 00:19:13 CET 2011 [seqfan] Re: Submission suggestion
Fri Sep 30 07:00:35 CEST 2011 [seqfan] Your email to sequences at oeis.org
Thu Sep 29 22:38:02 CEST 2011 [seqfan] Re: Duplicated response from 'sequences at oeis.org'
Thu Sep 29 17:38:27 CEST 2011 [seqfan] Re: Duplicated response from 'sequences at oeis.org'
Thu Sep 29 17:38:27 CEST 2011 [seqfan] Re: Duplicated response from 'sequences at oeis.org'
Wed Sep 28 04:29:50 CEST 2011 [seqfan] Re: How to speak long numbers -- now I'm really curious (-:
Wed Jun 29 05:22:50 CEST 2011 [seqfan] Sequence of the Day has resumed today
Thu Feb 10 17:23:07 CET 2011 [seqfan] Re: Should this be cited as a link to A000396?
Thu Feb 10 05:47:26 CET 2011 [seqfan] Should this be cited as a link to A000396?
Thu Jan 27 06:44:06 CET 2011 [seqfan] Re: Anti-information Was: Breaking news on partition numbers.
Tue Jan 25 22:28:51 CET 2011 [seqfan] Re: Breaking news on partition numbers.
Tue Jan 25 21:49:25 CET 2011 [seqfan] Re: Breaking news on partition numbers.
Fri Dec 3 17:34:16 CET 2010 [seqfan] Re: Absolute first differences of S are the terms in even position in S itself
Thu Dec 2 19:28:44 CET 2010 [seqfan] Re: Lack-a-day
Thu Nov 25 14:16:56 CET 2010 [seqfan] Re: Doomed by odd integers / Hilbert Hotel
Fri Nov 19 16:42:31 CET 2010 [seqfan] Re: Fun with prime runs (typo)
Sun Nov 14 22:42:15 CET 2010 [seqfan] OEIS: what went wrong
Mon Aug 30 22:16:44 CEST 2010 [seqfan] Re: Sum of the a(n) first digits of S is a prime -- an illusion?
Thu Aug 19 14:49:14 CEST 2010 [seqfan] Re: 1 is square (square of unit 1) but is not squareful (i.e. it is squarefree, no repeated primes in its prime factorization)
Tue Aug 17 22:27:12 CEST 2010 [seqfan] 1 is square (square of unit 1) but is not squareful (i.e. it is squarefree, no repeated primes in its prime factorization)
Sun Aug 8 19:57:18 CEST 2010 [seqfan] sequences based on continued fractions
Mon Jun 14 16:27:52 CEST 2010 [seqfan] Successive weighing scales
Fri May 21 04:45:46 CEST 2010 [seqfan] Re: Missing word in A107978
Mon May 17 17:03:02 CEST 2010 [seqfan] Re: How to list pairs, triples, etc.
Sat May 15 23:04:35 CEST 2010 [seqfan] How to list pairs, triples, etc.
Thu May 6 22:31:37 CEST 2010 [seqfan] Re: A177045: ordering of expressions built from numbers 2 and exponentiations
Sun Mar 28 17:14:06 CEST 2010 [seqfan] Re: 2 seqs with diffs distinct (correction?)
Sun Mar 28 13:01:30 CEST 2010 [seqfan] Re: 2 seqs with diffs distinct (correction?)
Tue Mar 16 07:50:15 CET 2010 [seqfan] Re: Binary Primes In Binary Primes
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.
Mon Feb 22 16:58:07 CET 2010 [seqfan] Re: A173279 and A173280
Mon Feb 22 15:43:45 CET 2010 [seqfan] Re: A173279 and A173280
Sun Feb 21 18:33:46 CET 2010 [seqfan] Hidden divisors of [a(n) and a(n+1) concatenated]
Sat Dec 19 18:39:49 CET 2009 [seqfan] Re: OEIS: the movie!
Sat Dec 19 18:06:47 CET 2009 [seqfan] Re: OEIS: the movie!
Sat Dec 19 15:23:40 CET 2009 [seqfan] Re: OEIS: the movie!
Mon Dec 14 08:08:49 CET 2009 [seqfan] Re: a question about arrangements of pennies
Sat Dec 5 19:32:47 CET 2009 [seqfan] Re: OEIS wiki and editing, Boubaker affair.
Wed Dec 2 16:57:06 CET 2009 [seqfan] Property of Fibonacci sequence modulo M
Mon Nov 30 12:11:24 CET 2009 [seqfan] Sequences with simple recurrence definitions
Sat Nov 21 05:04:36 CET 2009 [seqfan] Re: detective work related to "Floretions"
Thu Nov 12 19:23:41 CET 2009 [seqfan] Re: Another surprising omission from OEIS
Sun Oct 25 17:56:56 CET 2009 [seqfan] Re: Guided browsing of the OEIS based upon personal preferences?
Sun Oct 25 17:01:04 CET 2009 [seqfan] Guided browsing of the OEIS based upon personal preferences?
Mon Oct 19 17:51:05 CEST 2009 [seqfan] Guided browsing of the OEIS based upon personal preferences?
Mon Sep 21 14:30:57 CEST 2009 [seqfan] The mapping k -> k + tau(k)
Wed Sep 16 20:54:11 CEST 2009 [seqfan] Re: New Prime Curio about 199 by Post
Sat Aug 22 15:10:54 CEST 2009 [seqfan] Re: Offsets of cons sequences
Sun Aug 2 21:34:02 CEST 2009 [seqfan] Re: Comment on A151750 [erratum]
Sun Aug 2 15:13:23 CEST 2009 [seqfan] Re: LRS formulas for n>=...?
Sun Aug 2 12:14:41 CEST 2009 [seqfan] Comment on A151750 [erratum]
Sat Aug 1 23:33:10 CEST 2009 [seqfan] Re: Comment on A151750 [erratum]
Fri Jul 31 20:22:45 CEST 2009 [seqfan] RE : Re: a(n)th term is twice a(n)
Fri Jul 31 19:55:36 CEST 2009 [seqfan] Re: a(n)th term is twice a(n)
Wed Jul 29 10:41:40 CEST 2009 [seqfan] Re: a(n)th term is twice a(n)
Tue Jul 28 20:23:05 CEST 2009 [seqfan] Re: a(n)th term is twice a(n)
Tue Jul 28 19:05:00 CEST 2009 [seqfan] a(n)th term is twice a(n)
Tue Jul 14 00:05:15 CEST 2009 [seqfan] Re: Seq. requirng knowledge of Spanish and English
Mon Jul 13 21:32:47 CEST 2009 [seqfan] Seq. requirng knowledge of Spanish and English
Wed Jul 8 14:39:22 CEST 2009 [seqfan] bulk of A046055 (Orders of finite Abelian groups)
Fri Jul 3 05:41:59 CEST 2009 [seqfan] Re: Coins puzzle and a sequence
Fri Jul 3 05:10:41 CEST 2009 [seqfan] Re: Coins puzzle and a sequence
Fri Jul 3 04:59:46 CEST 2009 [seqfan] Re: Coins puzzle and a sequence
Fri Jul 3 02:56:03 CEST 2009 [seqfan] Coins puzzle and a sequence
Thu Jun 11 21:27:48 CEST 2009 [seqfan] Re: Pairs Occurring Only Once Among # Of Divisors
Thu Jun 11 19:23:27 CEST 2009 [seqfan] Re: Pairs Occurring Only Once Among # Of Divisors
Thu Jun 11 16:01:21 CEST 2009 [seqfan] Re: Pairs Occurring Only Once Among # Of Divisors
Thu Jun 11 15:23:00 CEST 2009 [seqfan] Pairs Occurring Only Once Among # Of Divisors
Sun Jun 7 03:44:09 CEST 2009 [seqfan] Re: A132091 same sequence?
Sun Jun 7 00:50:51 CEST 2009 [seqfan] A132091 same sequence?
Thu Apr 23 17:52:31 CEST 2009 [seqfan] Re: Offsets for Recurrence Sequences
Sat Mar 14 04:26:45 CET 2009 [seqfan] Alphabetical digits
Thu Mar 12 16:47:23 CET 2009 [seqfan] Do the numbers of A032123 always occur exactly five times in Losanitsch's triangle?
Tue Mar 10 19:12:26 CET 2009 [seqfan] Re: sums of signed squares
Sun Mar 8 18:12:29 CET 2009 [seqfan] An apology
Sat Mar 7 11:54:06 CET 2009 [seqfan] Re: Squares in a grid
Mon Jan 19 20:39:16 CET 2009 [seqfan] Re: How to generate A000047?
Tue Dec 30 15:36:56 CET 2008 [seqfan] Re: Two-fold symmetry sequence
Wed Nov 19 22:41:51 CET 2008 [seqfan] Re: Help needed!
Sun Nov 2 18:25:37 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
twice
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