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 A022744 #12 Aug 16 2023 08:12:14
%S A022744 1,20,250,2400,19375,137604,884430,5241000,29017815,151597440,
%T A022744 752997538,3577442200,16335561280,71979549460,307075300540,
%U A022744 1271938667704,5127690095315,20161295885120,77454572685460
%N A022744 Expansion of 1/Product_{m>=1} (1 - m*q^m)^20.
%C A022744 This sequence is obtained from the generalized Euler transform in A266964 by taking f(n) = 20, g(n) = n. - _Seiichi Manyama_, Aug 16 2023
%H A022744 Seiichi Manyama, <a href="/A022744/b022744.txt">Table of n, a(n) for n = 0..5000</a>
%F A022744 a(0) = 1; a(n) = (20/n) * Sum_{k=1..n} A078308(k) * a(n-k). - _Seiichi Manyama_, Aug 16 2023
%Y A022744 Column k=20 of A297328.
%Y A022744 Cf. A078308.
%K A022744 nonn
%O A022744 0,2
%A A022744 _N. J. A. Sloane_