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 A022743 #12 Aug 16 2023 08:12:18
%S A022743 1,19,228,2109,16454,113164,705527,4060870,21863490,111178196,
%T A022743 537978635,2491812228,11100464810,47746888432,198952868210,
%U A022743 805306011651,3174012174213,12206318615473,45884592463642
%N A022743 Expansion of 1/Product_{m>=1} (1 - m*q^m)^19.
%C A022743 This sequence is obtained from the generalized Euler transform in A266964 by taking f(n) = 19, g(n) = n. - _Seiichi Manyama_, Aug 16 2023
%H A022743 Seiichi Manyama, <a href="/A022743/b022743.txt">Table of n, a(n) for n = 0..5000</a>
%F A022743 a(0) = 1; a(n) = (19/n) * Sum_{k=1..n} A078308(k) * a(n-k). - _Seiichi Manyama_, Aug 16 2023
%Y A022743 Column k=19 of A297328.
%Y A022743 Cf. A078308.
%K A022743 nonn
%O A022743 0,2
%A A022743 _N. J. A. Sloane_