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 A030321 #13 Jul 23 2025 04:13:43 %S A030321 1,2,1,1,3,2,1,1,1,2,1,1,4,3,2,1,2,1,2,1,1,1,1,1,3,2,1,1,1,2,1,1,5,4, %T A030321 3,1,3,2,2,2,1,2,1,2,1,3,1,2,1,1,1,1,1,1,2,1,1,1,1,1 %N A030321 Duplicate of A030305. %K A030321 dead %O A030321 1,2 %A A030321 _Clark Kimberling_