a(n) = Sum_{m>=0} binomial(m,3)^n*2^(-m-1).
1, 1, 63, 16081, 10681263, 14638956721, 35941784497263, 143743469278461361
2 seqfan posts
Fri Mar 13 04:36:28 CET 2009 [seqfan] Re: formula for A062204
Fri Mar 13 04:17:39 CET 2009 [seqfan] Re: formula for A062204
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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