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 A022653 #9 Sep 08 2022 08:44:46 %S A022653 1,25,350,3625,30825,227005,1495225,8998625,50231225,262982425, %T A022653 1302361670,6141852925,27731605150,120415590250,504692324800, %U A022653 2048151994275,8069513499800,30937269482500,115647629802975 %N A022653 Expansion of Product_{m>=1} (1+m*q^m)^25. %H A022653 G. C. Greubel, <a href="/A022653/b022653.txt">Table of n, a(n) for n = 0..1000</a> %t A022653 With[{nmax=50}, CoefficientList[Series[Product[(1+m*q^m)^25,{m,1,nmax}],{q,0,nmax}],q]] (* _G. C. Greubel_, Jul 18 2018 *) %o A022653 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1+n*q^n)^25)) \\ _G. C. Greubel_, Jul 18 2018 %o A022653 (Magma) Coefficients(&*[(1+m*x^m)^25:m in [1..40]])[1..50] where x is PolynomialRing(Integers()).1; // _G. C. Greubel_, Jul 18 2018 %K A022653 nonn %O A022653 0,2 %A A022653 _N. J. A. Sloane_