Row sums of triangle A136579.
1, 1, 3, 7, 27, 127, 747, 5167, 41067, 368047, 3669867, 40284847, 482671467
4 seqfan posts
Mon Feb 22 17:00:13 CET 2010 [seqfan] Re: A173279 and A173280
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
Mon Feb 22 14:29:02 CET 2010 [seqfan] A173279 and A173280
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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