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 A353823 #13 May 10 2022 10:04:14
%S A353823 7,6,1,0,1,7,3,9,5,9,2,4,1,0,8,9,3,9,2,9,3,4,0,4,8,2,8,8,5,5,0,3,9,2,
%T A353823 9,8,0,7,4,9,4,6,8,8,5,3,2,8,8,3,5,6,3,6,4,6,8,7,8,7,9,7,9,8,5,1,2,3,
%U A353823 1,3,0,7,7,1,8,0,0,6,6,5,6,4,8,2,4,9,5,5,0,0,9,7,7,4,9,6,1,0,8,5,8,4,5,6,0,4,7
%N A353823 Decimal expansion of the solution to Product_{k>=1} (1 - (-x)^k) = x.
%F A353823 Root of the equation Sum_{j>=1} 1/(j*(1 - 1/(-x)^j)) = log(x). - _Vaclav Kotesovec_, May 09 2022
%e A353823 0.761017395924108939293404828855039298...
%t A353823 RealDigits[x /. FindRoot[QPochhammer[-x] == x, {x, 1/2}, WorkingPrecision -> 120]][[1]] (* _Vaclav Kotesovec_, May 09 2022 *)
%Y A353823 Cf. A121373, A347968.
%K A353823 nonn,cons
%O A353823 0,1
%A A353823 _Ilya Gutkovskiy_, May 08 2022