This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A294779 #5 Nov 08 2017 12:38:41
%S A294779 1,0,0,2,0,6,2,12,12,22,42,42,114,102,264,280,564,744,1186,1866,2538,
%T A294779 4380,5598,9732,12602,20898,28374,44048,63000,92190,137012,192864,
%U A294779 291588,403668,609072,843228,1253978,1752150,2555058,3611380,5168778,7371324,10400908
%N A294779 Expansion of Product_{k>=1} ((1 + x^(2*k-1))/(1 - x^(2*k-1)))^(k*(k-1)/2).
%C A294779 Convolution of A294777 and A294778.
%F A294779 a(n) ~ exp(Pi * 2^(1/4) * n^(3/4)/3 - Pi*n^(1/4) / 2^(17/4) + 3*Zeta(3) / (32*Pi^2)) / (2^(37/16) * n^(5/8)).
%t A294779 nmax = 50; CoefficientList[Series[Product[((1+x^(2*k-1))/(1-x^(2*k-1)))^(k*(k-1)/2), {k, 1, nmax}], {x, 0, nmax}], x]
%Y A294779 Cf. A206622, A292037, A294755, A294777, A294778, A294780.
%K A294779 nonn
%O A294779 0,4
%A A294779 _Vaclav Kotesovec_, Nov 08 2017