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 A173161 #5 Mar 31 2012 12:38:28 %S A173161 2,3,1,6,4,5,4,9,5,8,7,8,5,6,1,2,3,0,1,3,2,5,5,0,3,0,1,5,6,0,3,0,6,1, %T A173161 0,5,7,4,7,1,1,4,9,0,6,0,7,5,8,5,8,5,8,2,2,5,5,9,8,8,3,4,9,5,1,9,3,7, %U A173161 3,7,2,0,3,5,5,8,5,2,7,0,6,5,7,1,1,2,1,0,8,4,5,6,9,2,8,3,9,3,4,3,6,1,8,8,2 %N A173161 Decimal expansion of the solution x to x^x=7. %F A173161 Digits of log(7)/W(log(7)). %e A173161 2.3164549..^2.3164549..=7 %t A173161 x=7;RealDigits[Log[x]/ProductLog[Log[x]],10,6! ][[1]] %Y A173161 Cf. A030437, A030797, A030798, A173158, A173159, A173160. %K A173161 nonn,cons %O A173161 1,1 %A A173161 _Vladimir Joseph Stephan Orlovsky_, Feb 11 2010 %E A173161 Keyword:cons added by _R. J. Mathar_, Feb 13 2010