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 A268502 #4 Feb 06 2016 14:17:34
%S A268502 1,2,8,26,73,210,558,1460,3663,9090,21846,51690,120140,274480,618656,
%T A268502 1374792,3017867,6546610,14053312,29852658,62825894,131025056,
%U A268502 270948160,555811298,1131498850,2286780266,4589706604,9151298134,18131193484,35706460678,69910352496
%N A268502 Expansion of Product_{k>=1} ((1 + k*x^k) / (1 - x^k))^k.
%H A268502 Vaclav Kotesovec, <a href="/A268502/b268502.txt">Table of n, a(n) for n = 0..5000</a>
%t A268502 nmax = 50; CoefficientList[Series[Product[((1+k*x^k)/(1-x^k))^k, {k, 1, nmax}], {x, 0, nmax}], x]
%Y A268502 Cf. A000219, A022629, A266891, A267004, A268500, A268501.
%K A268502 nonn
%O A268502 0,2
%A A268502 _Vaclav Kotesovec_, Feb 06 2016