Column with index 2 of triangle A096651: a(n) = A096651(n+2,2).
1, 1, 2, 1, 3, 1, 15, 78, 632, 6049, 68036, 878337, 12817659, 208803098
2 seqfan posts
Thu Apr 12 09:57:20 CEST 2012 [seqfan] Re: A182080: nice sequence needing more terms
Thu Apr 12 06:55:07 CEST 2012 [seqfan] Re: A182080: nice sequence needing more terms
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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