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 A120885 #5 Apr 09 2014 10:15:18 %S A120885 1,2,1,3,2,1,4,2,2,1,5,3,2,2,1,6,3,2,2,2,1,7,4,3,2,2,2,1,8,4,3,2,2,2, %T A120885 2,1,9,5,3,3,2,2,2,2,1,10,5,4,3,2,2,2,2,2,1,11,6,4,3,3,2,2,2,2,2,1,12, %U A120885 6,4,3,3,2,2,2,2,2,2,1 %N A120885 Triangle read by rows where t(n,m) = ceiling(n/m). %Y A120885 Cf. A010766. %K A120885 easy,nonn,tabl %O A120885 1,2 %A A120885 _Leroy Quet_, Jul 12 2006