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 A354115 #6 May 18 2022 10:06:46
%S A354115 1,-2,1,-4,29,-244,1583,-10368,124553,-2029776,20127867,-180343296,
%T A354115 3978820221,-75977108544,914656587063,-15574206480384,370244721585681,
%U A354115 -8082505243732224,162968423791332339,-3082360882836013056,82014901819948738629,-2501342802748968883200,58311771938510122952559
%N A354115 Product_{n>=1} 1 / (1 - x^n)^(a(n)/n!) = 1 + arcsin(x).
%F A354115 E.g.f.: Sum_{k>=1} mu(k) * log(1 + arcsin(x^k)) / k.
%t A354115 nmax = 23; CoefficientList[Series[Sum[MoebiusMu[k] Log[1 + ArcSin[x^k]]/k, {k, 1, nmax}], {x, 0, nmax}], x] Range[0, nmax]! // Rest
%Y A354115 Cf. A001818, A353818, A353913, A354055, A354116, A354117, A354118.
%K A354115 sign
%O A354115 1,2
%A A354115 _Ilya Gutkovskiy_, May 17 2022