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 A371485 #5 Mar 26 2024 11:14:33 %S A371485 1,0,1,1,7,11,126,267,3655,11503,169258,654413,11623910,52505961, %T A371485 1066163983,5721040860,128827399823,783999460951,19881737827434, %U A371485 134931439956945,3784646604928402,28564669112399283,875600527787948801,7239530824941958612,242133074649322025674 %N A371485 Expansion of e.g.f. Product_{k>=2} 1 / (1 - x^k/k!). %t A371485 nmax = 24; CoefficientList[Series[Product[1/(1 - x^k/k!), {k, 2, nmax}], {x, 0, nmax}], x] Range[0, nmax]! %Y A371485 Cf. A005651, A032311. %K A371485 nonn %O A371485 0,5 %A A371485 _Ilya Gutkovskiy_, Mar 25 2024