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 A113462 #3 Mar 30 2012 17:38:08 %S A113462 1,2,6,8,12,28,30,180,512,720,1648,2300,2416,6084,6160,77688,105408, %T A113462 353736,852912 %N A113462 Least number that ends an arithmetic progression of n numbers with distinct prime signatures. %C A113462 Main diagonal of A113463. %Y A113462 Cf. A087309, A113463. %K A113462 nonn,less %O A113462 1,2 %A A113462 _David Wasserman_, Jan 08 2006