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 A129866 #5 Aug 24 2012 10:49:58 %S A129866 1,10,112,111112234 %N A129866 a(n+1) is the smallest integer greater than a(n) such that the sum of the cubes of its decimal digits is equal to a(n). %C A129866 The fifth term starts with "12226" followed by 152417 digits equal to "9". %e A129866 10 --> 1^3+0^3 = 1+0 =1; 112 --> 1^3+1^3+2^3 = 1+1+8 = 10; 111112234 --> 1^3+1^3+1^3+1^3+1^3+2^3+2^3+3^3+4^3 = 1+1+1+1+1+8+8+27+64 = 112. %Y A129866 Cf. A126973. %K A129866 nonn,base %O A129866 0,2 %A A129866 _Paolo P. Lava_ and _Giorgio Balzarotti_, May 24 2007