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 A030759 #16 Feb 12 2023 06:03:21 %S A030759 1,1,2,3,5,6,8,9,12,15,17,18,22,24,27,30,34,36,39,42,46,48,52,57,61, %T A030759 65,68,71 %N A030759 Duplicate of A030709. %C A030759 Original title: Number of new terms at stage n in the formation of A030757. %K A030759 dead %O A030759 1,3 %A A030759 _Clark Kimberling_