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 A113463 #4 Mar 30 2012 17:38:08 %S A113463 1,1,2,2,4,6,2,4,6,8,8,9,10,11,12,23,24,25,26,27,28,24,25,26,27,28,29, %T A113463 30,103,114,125,136,147,158,169,180,304,330,356,382,408,434,460,486, %U A113463 512,324,368,412,456,500,544,588,632,676,720,8,172,336,500,664,828,992,1156 %N A113463 Triangle read by rows: n-th row is the smallest set of n numbers in arithmetic progression with the distinct prime signatures. %C A113463 In this sequence "smallest" means that the last term of the arithmetic progression is minimized, with ties broken by minimizing the first term (or equivalently, by maximizing the common difference). %Y A113463 Cf. A086786, A113462, A113464. %K A113463 nonn,tabl,less %O A113463 1,3 %A A113463 _David Wasserman_, Jan 08 2006