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 A007630 M5288 #21 Feb 14 2025 23:11:28 %S A007630 46,92,341,1787,9233,45752,285053,1846955 %N A007630 Duplicate of A002562. %D A007630 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %K A007630 dead %O A007630 9,1