Triangular numbers and numbers which cannot be represented as a sum of two earlier members of the sequence.
0, 1, 3, 5, 6, 10, 14, 15, 21, 23, 28, 32, 36, 40, 45, 52, 55, 66, 74, 78, 82, 86, 91, 105
6 seqfan posts
Sat May 1 17:30:24 CEST 2010 [seqfan] Re: A possible list of new sequences
Sat May 1 15:12:55 CEST 2010 [seqfan] Re: A possible list of new sequences
Sat May 1 13:12:04 CEST 2010 [seqfan] A possible list of new sequences
Thu Apr 29 22:24:35 CEST 2010 [seqfan] Re: One more conjecture for n-gonal numbers
Thu Apr 29 22:17:14 CEST 2010 [seqfan] Re: One more conjecture for n-gonal numbers
Wed Apr 28 11:05:30 CEST 2010 [seqfan] Re: A (new) problem
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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