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 A022789 #7 May 21 2019 10:38:23 %S A022789 1,4,9,17,27,40,55,73,93,116,141,168,198,230,265,302,342,384,429,476, %T A022789 525,577,631,688,747,809,873,940,1009,1081,1155,1231,1310,1391,1475, %U A022789 1561,1650,1741,1835,1931,2029,2130,2233,2339,2447,2558,2671,2787 %N A022789 Place where n-th 1 occurs in A023127. %K A022789 nonn %O A022789 1,2 %A A022789 _Clark Kimberling_ %E A022789 Missing 2339 inserted by _Sean A. Irvine_, May 21 2019