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 A371484 #5 Mar 26 2024 11:14:29
%S A371484 1,1,2,10,30,166,968,5440,39112,289096,2330832,19947280,185603520,
%T A371484 1807683008,18554569504,203803276960,2315043684112,27640348895248,
%U A371484 344414508782624,4483617418231456,60518677509951520,846362835642437536,12289340439560875264
%N A371484 Expansion of e.g.f. Product_{k>=1} (1 + x^k/k!)^(2^(k-1)).
%C A371484 "EGJ" (unordered, element, labeled) transform of A011782.
%H A371484 C. G. Bower, <a href="/transforms2.html">Transforms (2)</a>
%t A371484 nmax = 22; CoefficientList[Series[Product[(1 + x^k/k!)^(2^(k - 1)), {k, 1, nmax}], {x, 0, nmax}], x] Range[0, nmax]!
%Y A371484 Cf. A007837, A011782, A032315, A032316, A098407, A371482.
%K A371484 nonn
%O A371484 0,3
%A A371484 _Ilya Gutkovskiy_, Mar 25 2024