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 A022297 #9 May 14 2019 11:12:00 %S A022297 1,3,4,6,9,12,13,15,16,19,21,22,24,27,28,30,31,33,36,39,40,42,45,47, %T A022297 48,50,51,54,57,58,60,63,66,67,69,70,72,75,77,78,81,84,85,87,90,93,94, %U A022297 96,97,100,102,103,105,108,111,112,114,115,117,120,121,123,124 %N A022297 Index of n-th 1 in A006928. %C A022297 a(n) = A013947(n)-1 for n > 1. %Y A022297 Cf. A006928, A013947. %K A022297 nonn %O A022297 1,2 %A A022297 _Clark Kimberling_ %E A022297 Offset changed to 1 by _Sean A. Irvine_, May 14 2019