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 A022299 #4 Mar 30 2012 18:55:50 %S A022299 1,4,5,6,7,9,10,13,19,22,23,28,31,32,33,34,37,38,40,41,42,43,44,45,47, %T A022299 48,49,50,51,52,53,54,56,57,58,59,60,61,63,64,69,72,73,75,76,77,78,79, %U A022299 81,82,83,84,85,86,87,88,90,91,94,103,106,107,108,109,112,117,118,121,154,157 %N A022299 Sequence A022298 divided by 2. %K A022299 nonn %O A022299 0,2 %A A022299 _Clark Kimberling_