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 A119943 #2 Mar 31 2012 13:20:12 %S A119943 81,125,7425,33075,318500,333396,41674500,42688800,7347809700, %T A119943 7453660500,7539055524,30435780375,8862899245200,8919011301200, %U A119943 3236906114442000,3251542559481216,3264138293130000,3275055780469200 %N A119943 Fourth column (n=4) of triangle A119937. %F A119943 a(m)= A119937(m,4), m>=5. %K A119943 nonn,easy %O A119943 5,1 %A A119943 _Wolfdieter Lang_, Jul 20 2006