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 A330515 #5 Dec 17 2019 08:41:17
%S A330515 1,1,4,19,128,921,8912,87109,1045200,13195681,188639312,2837096637,
%T A330515 47976425576,837845855185,16039578298200,321739841159317,
%U A330515 6911395312352672,154749452408120385,3696709758990757856,91546190261460505453,2397650607409036823352
%N A330515 Expansion of e.g.f. Product_{k>=1} 1 / (1 - sinh(x^k)).
%t A330515 nmax = 20; CoefficientList[Series[Product[1/(1 - Sinh[x^k]), {k, 1, nmax}], {x, 0, nmax}], x] Range[0, nmax]!
%Y A330515 Cf. A006154, A203716, A229263, A270294, A270662, A270663, A270664, A270665, A270666, A330514, A330516, A330517.
%K A330515 nonn
%O A330515 0,3
%A A330515 _Ilya Gutkovskiy_, Dec 17 2019