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 A022685 #10 Sep 08 2022 08:44:46
%S A022685 1,-25,250,-1125,625,15495,-54375,-20625,413325,-246425,-1719150,
%T A022685 -854425,11885650,13624250,-73600100,-65950175,191784500,512802500,
%U A022685 23353075,-2854336325,-2372290275,4919896900,19737007600
%N A022685 Expansion of Product_{m>=1} (1-m*q^m)^25.
%H A022685 G. C. Greubel, <a href="/A022685/b022685.txt">Table of n, a(n) for n = 0..1000</a>
%t A022685 With[{nmax = 50}, CoefficientList[Series[Product[(1 - k*q^k)^25, {k, 1, nmax}], {q, 0, nmax}], q]] (* _G. C. Greubel_, Jul 19 2018 *)
%o A022685 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1-n*q^n)^25)) \\ _G. C. Greubel_, Jul 19 2018
%o A022685 (Magma) Coefficients(&*[(1-m*x^m)^25:m in [1..40]])[1..40] where x is PolynomialRing(Integers()).1; // _G. C. Greubel_, Jul 19 2018
%K A022685 sign
%O A022685 0,2
%A A022685 _N. J. A. Sloane_