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 A138297 #7 Jul 01 2023 09:29:56 %S A138297 1,2,3,4,1,1,2,1,2,3,1,2,3,4,1,2,3,4,1,1,2,3,4,1,1,2,1,2,3,4,1,1,2,1, %T A138297 2,3,1,2,3,4,1,1,2,1,2,3,1,2,3,4,1,2,3,4,1,1,2,1,2,3,1,2,3,4,1,2,3,4, %U A138297 1,1,2,3,4,1,1,2,1,2,3,1,2,3,4,1,2,3,4,1,1,2,3,4,1,1,2,1,2,3,4,1,1,2,1,2,3,1 %N A138297 Rows of triangle A138060 converge to this sequence. %Y A138297 Cf. A138060. %K A138297 nonn,easy %O A138297 1,2 %A A138297 _Roger L. Bagula_, May 02 2008