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 A054195 #3 Mar 30 2012 16:48:46 %S A054195 1,3,6,12,26,62,157,409,1079,2863,7617,20299,54202,145134,390048, %T A054195 1052840,2855633,7784909,21333806,58769738,162735221,452890963, %U A054195 1266501060,3558037366,10038873751,28437746721,80854303650,230659891380 %N A054195 Binomial transform of A001371. %K A054195 nonn %O A054195 0,2 %A A054195 _N. J. A. Sloane_, Apr 29 2000