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 A054199 #4 Mar 30 2012 16:48:46 %S A054199 1,2,4,8,17,39,95,240,619,1615,4241,11184,29601,78645,209830,562454, %T A054199 1515325,4104547,11180365,30627574,84375837,233729358,650888094, %U A054199 1821718080,5122765105,14468782826,41031251163,116789504201,333544999893,955496210873,2744724190487 %N A054199 Binomial transform of A000046 (1, 1, 1, 1, 2, 3, 5, 8, 14, 21, 39, 62, 112, ...). %K A054199 nonn %O A054199 0,2 %A A054199 _N. J. A. Sloane_, Apr 29 2000 %E A054199 Corrected Mar 05 2004. Thanks to Ralf Stephan for noticing this sequence was wrong.