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 A320605 #8 May 03 2022 08:47:10 %S A320605 8,240,18264,2845440,792731520,359935488000,248962406889600 %N A320605 Duplicate of A319851. %K A320605 dead %O A320605 3,1