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 A345759 #14 Feb 16 2025 08:34:02 %S A345759 1,-1,-2,-2,7,78,513,2665,9406,-13902,-789143,-11806456,-140040408, %T A345759 -1463842226,-13377115923,-95264642343,-198034245627,11021440199748, %U A345759 322964047973519,6617250866231379,118668721540190350,1965786734149801960,30348547043773563767 %N A345759 E.g.f.: Product_{k>=1} (1 - (exp(x) - 1)^k / k!). %C A345759 Stirling transform of A185895. %H A345759 N. J. A. Sloane, <a href="/transforms.txt">Transforms</a> %H A345759 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/StirlingTransform.html">Stirling Transform</a> %F A345759 a(n) = Sum_{k=0..n} Stirling2(n,k) * A185895(k). %o A345759 (PARI) my(N=40, x='x+O('x^N)); Vec(serlaplace(prod(k=1, N, 1-(exp(x)-1)^k/k!))) %Y A345759 Cf. A048993, A140585, A185895, A305547. %K A345759 sign %O A345759 0,3 %A A345759 _Seiichi Manyama_, Jun 26 2021