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 A022717 #9 Jul 20 2018 03:47:27
%S A022717 1,-25,275,-1750,7300,-23255,73150,-252625,796275,-2137925,5733355,
%T A022717 -16646550,45304475,-111461125,280683700,-735052700,1815283450,
%U A022717 -4275549750,10301217900,-24923579950,58128778485,-133132664600
%N A022717 Expansion of Product_{m>=1} (1+m*q^m)^-25.
%H A022717 G. C. Greubel, <a href="/A022717/b022717.txt">Table of n, a(n) for n = 0..1000</a>
%t A022717 With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^-25, {k, 1, nmax}], {q, 0, nmax}], q]] (* _G. C. Greubel_, Jul 20 2018 *)
%o A022717 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1+n*q^n)^-25)) \\ _G. C. Greubel_, Jul 20 2018
%K A022717 sign
%O A022717 0,2
%A A022717 _N. J. A. Sloane_