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 A267004 #8 Jan 09 2016 04:55:04
%S A267004 1,2,5,12,24,50,97,184,331,606,1061,1834,3125,5228,8673,14250,23034,
%T A267004 36894,58750,92298,144398,223994,344916,527116,801295,1209870,1816539,
%U A267004 2713956,4033169,5961700,8775236,12852444,18742153,27225316,39371647,56743200,81467211
%N A267004 Expansion of Product_{k>=1} ((1 + k*x^k) / (1 - x^k)).
%C A267004 Convolution of A022629 and A000041.
%H A267004 Vaclav Kotesovec, <a href="/A267004/b267004.txt">Table of n, a(n) for n = 0..10000</a>
%t A267004 nmax = 50; CoefficientList[Series[Product[(1+k*x^k)/(1-x^k), {k, 1, nmax}], {x, 0, nmax}], x]
%Y A267004 Cf. A000041, A022629, A267005, A267007.
%K A267004 nonn
%O A267004 0,2
%A A267004 _Vaclav Kotesovec_, Jan 08 2016