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 A090568 #4 Dec 05 2013 19:56:38 %S A090568 1,2,4,3,7,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10, %T A090568 10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10, %U A090568 10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10 %N A090568 Least m such that m^n begins with k^(n-1) for some k > 1. %C A090568 a(n) = 10 for 6 <= n <= 500 (I haven't checked past 500.) - _David Wasserman_, Jan 05 2006 %F A090568 a(n) = A090561(n)^(1/n). - _David Wasserman_, Jan 05 2006 %Y A090568 Cf. A090561. %K A090568 base,nonn %O A090568 1,2 %A A090568 _Amarnath Murthy_, Dec 11 2003 %E A090568 Corrected and extended by _David Wasserman_, Jan 05 2006