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 A022709 #9 Jul 20 2018 06:04:00
%S A022709 1,-17,119,-442,1054,-2805,10336,-29393,60724,-150620,452914,-1066546,
%T A022709 2195703,-5396208,13442002,-29151005,62519523,-141740051,317832119,
%U A022709 -683311906,1431370114,-3054813215,6608329573,-13743348845
%N A022709 Expansion of Product_{m>=1} (1+m*q^m)^-17.
%H A022709 G. C. Greubel, <a href="/A022709/b022709.txt">Table of n, a(n) for n = 0..1000</a>
%t A022709 With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^-17, {k, 1, nmax}], {q, 0, nmax}], q]] (* _G. C. Greubel_, Jul 20 2018 *)
%o A022709 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1+n*q^n)^-17)) \\ _G. C. Greubel_, Jul 20 2018
%K A022709 sign
%O A022709 0,2
%A A022709 _N. J. A. Sloane_