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 A120207 #2 Mar 30 2012 18:34:45 %S A120207 6,7,8,8,9,10,11,13,14,16,17,19,21,24,26,29,33,36,40,45,50,55,61,68, %T A120207 76,84,93,104,115,128,142,158,176,195,217,241,268,298,331,367 %N A120207 a(1)=6; a(n)=floor((59+sum(a(1) to a(n-1)))/9). %Y A120207 Cf. A073941, A112088, A072493. %K A120207 nonn %O A120207 1,1 %A A120207 _Graeme McRae_, Jun 10 2006