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 A059295 #3 Mar 30 2012 16:48:58 %S A059295 1,2,5,16,69,386,2665,21856,207369,2233346,26910637,358654640, %T A059295 5238083085,83187634306,1427274447313,26308754113344,518495885082513, %U A059295 10879652226044546,242157991346605909,5698578388375932368,141364265347273219925,3686958817004484491522 %N A059295 2-boustrophedon transform (see A059294) of 1, 1, 1, 1, ... %K A059295 nonn %O A059295 0,2 %A A059295 _N. J. A. Sloane_, Jan 25 2001