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 A358712 #8 Nov 28 2022 09:59:28 %S A358712 1,17,229,3105,44930,674292,10217420,154980130,2350703747,35658264301, %T A358712 540957030465,8206939419403 %N A358712 Number of self-avoiding closed paths on an n X 6 grid which pass through four corners ((0,0), (0,5), (n-1,5), (n-1,0)). %C A358712 Also number of self-avoiding closed paths on a 6 X n grid which pass through four corners ((0,0), (0,5), (n-1,5), (n-1,0)). %Y A358712 Column k=6 of A333513. %Y A358712 Cf. A358697. %K A358712 nonn,more %O A358712 2,2 %A A358712 _Seiichi Manyama_, Nov 28 2022