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 A022301 #3 Mar 30 2012 18:55:50 %S A022301 1,2,4,6,7,9,10,12,15,17,18,20,21,24,27,29,30,32,35,36,38,39,42,45,47, %T A022301 48,50,51,54,56,57,59,62,63,65,66,69,72,74,75,77,80,81,83,84,86,89,92, %U A022301 93,95,98,100 %N A022301 Index of n-th 1 in A022300. %K A022301 nonn %O A022301 0,2 %A A022301 _Clark Kimberling_