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 A354118 #6 May 18 2022 10:06:32
%S A354118 1,-2,2,-8,64,-544,3968,-29952,378880,-5938176,68247552,-793491456,
%T A354118 15949529088,-306908848128,4760383438848,-90615249567744,
%U A354118 2119956936523776,-49428158281678848,1123874181449515008,-26217392043061149696,722523072906903158784,-21323712124731229470720,589068777481530305937408
%N A354118 Product_{n>=1} 1 / (1 - x^n)^(a(n)/n!) = 1 + arctanh(x).
%F A354118 E.g.f.: Sum_{k>=1} mu(k) * log(1 + arctanh(x^k)) / k.
%t A354118 nmax = 23; CoefficientList[Series[Sum[MoebiusMu[k] Log[1 + ArcTanh[x^k]]/k, {k, 1, nmax}], {x, 0, nmax}], x] Range[0, nmax]! // Rest
%Y A354118 Cf. A010050, A353821, A353928, A354066, A354115, A354116, A354117.
%K A354118 sign
%O A354118 1,2
%A A354118 _Ilya Gutkovskiy_, May 17 2022