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 A371480 #6 Mar 26 2024 11:14:42
%S A371480 1,0,1,2,3,24,70,300,1365,10136,48636,253560,2069430,13716780,
%T A371480 107972579,695118606,6155201325,53001340112,483401450344,
%U A371480 4129645998960,36957700537146,398523920633940,3954961713704673,42541112692428746,430044528651402148
%N A371480 Expansion of e.g.f. Product_{k>=1} (1 + x^k/k!)^(k-1).
%C A371480 "EGJ" (unordered, element, labeled) transform of 0,1,2,3,4,...
%H A371480 C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>
%t A371480 nmax = 24; CoefficientList[Series[Product[(1 + x^k/k!)^(k - 1), {k, 1, nmax}], {x, 0, nmax}], x] Range[0, nmax]!
%Y A371480 Cf. A007837, A032315, A032316, A052812.
%K A371480 nonn
%O A371480 0,4
%A A371480 _Ilya Gutkovskiy_, Mar 25 2024