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 A361238 #7 Mar 11 2023 00:13:58 %S A361238 1,1,1,8,63,664,7462,90896,1159587,15369761,209785576,2933152208, %T A361238 41833725570,606735330572,8926655086328,132969013796640, %U A361238 2002168332793035,30435351234214599,466570991414368225,7206553709798780480,112066631802051120600,1753396593921234013664 %N A361238 Number of nonequivalent noncrossing 4-gonal cacti with n polygons up to rotation. %H A361238 Andrew Howroyd, <a href="/A361238/b361238.txt">Table of n, a(n) for n = 0..500</a> %Y A361238 Column 4 of A361236. %Y A361238 Cf. A361241. %K A361238 nonn %O A361238 0,4 %A A361238 _Andrew Howroyd_, Mar 05 2023