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 A186502 #8 Jun 16 2021 09:21:51 %S A186502 2,6,0,0,2,9,5,0,0,0,0,5,3,9,1,5,5,8,7,7,1,7,2,0,8,2,2,1,9,4,1,1,6,9, %T A186502 9,1,6,4,3,7,8,3,7,7,1,0,1,0,8,3,8,8,2,0,0,2,3,2,6,1,9,5,4,9,8,2,5,9, %U A186502 1,5,1,6,1,4,7,5,0,4,2,2,4,8,2,2,5,3,8,6,3,8,8,1,7,7,7,4,1,9,1,0,4,9 %N A186502 Decimal expansion of the solution x to x^x = 12. %e A186502 2.6002950000539155877172082219411699164378377.. %t A186502 x=12;RealDigits[Log[x]/ProductLog[Log[x]],10,103][[1]] %Y A186502 Cf. A030798, A173158, A000038, A173159, A173160, A173161, A173162, A173163, A090625, A186501, A186503, A186504, A344930, A093590. %K A186502 nonn,cons %O A186502 1,1 %A A186502 _Vladimir Joseph Stephan Orlovsky_, Feb 22 2011