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 A076223 #3 Mar 30 2012 17:21:00 %S A076223 0,1,2,2,3,2,3,3,3,3,4,4,5,5,5,5,6,6,7,7,7,7,8,8,9,9,9,9,10,8,9,9,9,9, %T A076223 9,9,10,10,10,10,11,11,12,12,12,12,13,13,14,14,14,14,15,15,15,15,15, %U A076223 15,16,16,17,17,17,17,17,17,18,18,18,18,19,19,20,20,20,20,21,21,22,22,22 %N A076223 Minimum of n-th row of A076221. %K A076223 nonn %O A076223 1,3 %A A076223 _Olivier Gérard_