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 A320237 #7 Oct 08 2018 10:09:52
%S A320237 1,4,16,52,156,428,1120,2772,6616,15224,34032,74020,157340,327244,
%T A320237 667824,1338828,2641332,5133372,9840432,18621476,34818852,64374564,
%U A320237 117768176,213306948,382733816,680630120,1200198784,2099417544,3644332860,6280017740,10746594208
%N A320237 G.f.: Product_{k>=1, j>=1} ((1 + x^(k*j)) / (1 - x^(k*j)))^2.
%C A320237 Self-convolution of A301554.
%C A320237 Convolution of A320235 and A320236.
%H A320237 Vaclav Kotesovec, <a href="/A320237/b320237.txt">Table of n, a(n) for n = 0..10000</a>
%F A320237 Conjecture: log(a(n)) ~ Pi * sqrt(n*log(n)).
%t A320237 nmax = 40; CoefficientList[Series[Product[((1+x^(k*j))/(1-x^(k*j)))^2, {k, 1, nmax}, {j, 1, Floor[nmax/k] + 1}], {x, 0, nmax}], x]
%Y A320237 Cf. A301554, A320235, A320236.
%K A320237 nonn
%O A320237 0,2
%A A320237 _Vaclav Kotesovec_, Oct 08 2018