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 A318977 #9 Feb 28 2024 10:49:08
%S A318977 1,2,8,44,292,2296,21472,221168,2554544,32617952,452957056,6788855872,
%T A318977 110098330048,1900192498304,34971968379392,683452436531456,
%U A318977 14097619892177152,306168410773570048,6998327049216231424,167369475021548506112,4187842602663179396096
%N A318977 Expansion of e.g.f. Product_{k>=1} ((1 + x^k)/(1 - x^k))^(tau(k)/k), where tau is A000005.
%C A318977 Convolution of A318696 and A318695.
%H A318977 Vaclav Kotesovec, <a href="/A318977/b318977.txt">Table of n, a(n) for n = 0..442</a>
%t A318977 nmax = 20; CoefficientList[Series[Product[((1+x^k)/(1-x^k))^(DivisorSigma[0, k]/k), {k, 1, nmax}], {x, 0, nmax}], x] * Range[0, nmax]!
%Y A318977 Cf. A318695, A318696, A318814, A318976.
%Y A318977 Cf. A318975, A301555, A301554.
%K A318977 nonn
%O A318977 0,2
%A A318977 _Vaclav Kotesovec_, Sep 06 2018