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 A022719 #9 Jul 20 2018 03:47:45
%S A022719 1,-27,324,-2277,10584,-36882,118395,-406836,1347273,-3870993,
%T A022719 10536993,-30432051,86382090,-223153434,565228773,-1490547915,
%U A022719 3825187308,-9277759872,22515299145,-55438134588,132989193954
%N A022719 Expansion of Product_{m>=1} (1+m*q^m)^-27.
%H A022719 G. C. Greubel, <a href="/A022719/b022719.txt">Table of n, a(n) for n = 0..1000</a>
%t A022719 With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^-27, {k, 1, nmax}], {q, 0, nmax}], q]] (* _G. C. Greubel_, Jul 20 2018 *)
%o A022719 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1+n*q^n)^-27)) \\ _G. C. Greubel_, Jul 20 2018
%K A022719 sign
%O A022719 0,2
%A A022719 _N. J. A. Sloane_