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 A097294 #2 Mar 30 2012 18:57:05 %S A097294 3,2,1,4,2,1,5,2,1,4,3,1,6,2,1,5,3,1,4,3,2,7,2,1,6,3,1,5,4,1,5,3,2,8, %T A097294 2,1,7,3,1,6,4,1,6,3,2,5,4,2,9,2,1,8,3,1,7,4,1,6,5,1,7,3,2,6,4,2,5,4, %U A097294 3,10,2,1,9,3,1,8,4,1,7,5,1,8,3,2,7,4,2,6,5,2,6,4,3,11,2,1,10,3,1,9,4,1,8,5 %N A097294 Contains exactly once every triple i,j,k such that i>j>k>0. %F A097294 Obtained by reversing triples in A097293. %Y A097294 Cf. A098293. %K A097294 nonn %O A097294 1,1 %A A097294 _Clark Kimberling_, Aug 05 2004