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 A022703 #9 Jul 20 2018 06:03:31 %S A022703 1,-11,44,-77,132,-638,1771,-2464,5687,-19371,38533,-66793,160710, %T A022703 -367730,747219,-1458655,2888787,-6357505,12977239,-23575079,47325498, %U A022703 -98587841,187236499,-352094413,684939838,-1333767820 %N A022703 Expansion of Product_{m>=1} (1+m*q^m)^-11. %H A022703 G. C. Greubel, <a href="/A022703/b022703.txt">Table of n, a(n) for n = 0..1000</a> %t A022703 With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^-11, {k, 1, nmax}], {q, 0, nmax}], q]] (* _G. C. Greubel_, Jul 19 2018 *) %o A022703 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1+n*q^n)^-11)) \\ _G. C. Greubel_, Jul 19 2018 %K A022703 sign %O A022703 0,2 %A A022703 _N. J. A. Sloane_