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 A173166 #5 Mar 31 2012 12:38:28 %S A173166 1,7,5,5,4,5,8,3,4,7,1,1,6,8,8,1,9,6,5,5,8,3,4,3,4,1,1,4,0,1,0,6,7,9, %T A173166 6,8,3,8,7,6,5,6,4,9,2,1,9,6,1,3,0,1,0,2,9,4,6,6,0,5,4,9,4,4,4,1,3,9, %U A173166 6,1,1,5,1,2,2,0,3,9,3,2,7,7,1,0,3,6,6,9,0,6,7,0,5,4,4,8,7,8,0,5,3,0,2,0,7 %N A173166 Decimal expansion of the solution x to x^x = Khinchin's constant. %e A173166 1.75545834711688..^1.75545834711688.. = 2.685452001065306445.. = A002210 %t A173166 x=Khinchin;RealDigits[Log[x]/ProductLog[Log[x]],10,145][[1]] %K A173166 nonn,cons %O A173166 1,2 %A A173166 _Vladimir Joseph Stephan Orlovsky_, Feb 11 2010