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 A022742 #12 Aug 16 2023 08:12:22 %S A022742 1,18,207,1842,13869,92250,557214,3111624,16272972,80461694,378917667, %T A022742 1709416008,7422200694,31136646366,126608628735,500368588830, %U A022742 1926482319873,7240422289338,26610335585263 %N A022742 Expansion of 1/Product_{m>=1} (1 - m*q^m)^18. %C A022742 This sequence is obtained from the generalized Euler transform in A266964 by taking f(n) = 18, g(n) = n. - _Seiichi Manyama_, Aug 16 2023 %H A022742 Seiichi Manyama, <a href="/A022742/b022742.txt">Table of n, a(n) for n = 0..5000</a> %F A022742 a(0) = 1; a(n) = (18/n) * Sum_{k=1..n} A078308(k) * a(n-k). - _Seiichi Manyama_, Aug 16 2023 %Y A022742 Column k=18 of A297328. %Y A022742 Cf. A078308. %K A022742 nonn %O A022742 0,2 %A A022742 _N. J. A. Sloane_