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 A140215 #7 Dec 15 2015 08:46:53 %S A140215 1,1,1,1,5,1,7,1,1,5,11,1,13,7,5,1,17,1,19,5,7,11,23,1,125,13,1,7,29, %T A140215 5,31,1,11,17,1225,1,37,19,13,5,41,7,43,11,5,23,47,1,343,125,17,13,53, %U A140215 1,3025,7,19,29,59,5,61,31,7,1,4225,11,67,17,23,1225,71,1,73,37,125,19 %N A140215 A140213(n)*A140214(n). %p A140215 A140215 := proc(n) A140214(n)*A140213(n) ; end: %p A140215 seq(A140215(n),n=1..120) ; # _R. J. Mathar_, Jun 24 2009 %K A140215 nonn,easy %O A140215 1,5 %A A140215 _R. J. Mathar_, Jun 27 2008