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 A141732 #3 Aug 24 2012 10:50:01 %S A141732 0,3,2,5,5,8,7,6,10,12,12,15,14,19,16,15,15,21,23,25,19,23,25,22,27, %T A141732 28,29,38,28,37,32,27,27,33,37,39,35,39,43,43,45,43,41,43,55,61,51,50, %U A141732 47,54,63,60,56,57,54,55,55,53,61,70,63,72,63,56,56,66,68,72,68,70,72,76 %N A141732 Numbers of 0's in the rows of triangle A141728. %Y A141732 Cf. A141727 - A141731, A141733 - A141746. %K A141732 easy,nonn %O A141732 1,2 %A A141732 _Paolo P. Lava_ and _Giorgio Balzarotti_, Jul 02 2008