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 A119941 #2 Mar 31 2012 13:20:12 %S A119941 5,27,756,800,40500,165375,1509200,1524096,185749200,186763500, %T A119941 31696434000,31802284800,31887679824,127830277575,37009908936000, %U A119941 37066020992000,13397976612820800,13412613057860016,13425208791508800 %N A119941 Second column (n=2) of triangle A119937. %F A119941 a(m)= A119937(m,2), m>=3. %K A119941 nonn,easy %O A119941 3,1 %A A119941 _Wolfdieter Lang_, Jul 20 2006