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 A135393 #2 Mar 30 2012 17:40:44 %S A135393 1,2,3,4,5,6,7,8,9,10,11,13,14,15,18,19,23,30,31,46,55,87,111,119,151, %T A135393 167,335,1391,1455,1607,1679,1991,25887,26375 %N A135393 Not the sum of three perfect powers greater than 1. %C A135393 Probably there are no further terms. %Y A135393 Cf. A113505, A135693, A135367, A135402. %K A135393 nonn %O A135393 1,2 %A A135393 _Giovanni Resta_, Feb 24 2008