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 A055368 #11 Mar 16 2022 04:52:38 %S A055368 1,10,63,310,1260,4423,13772,38876,101036,244770,558083,1206992, %T A055368 2491908,4937234,9429273,17423919,31251810,54558739,92928819, %U A055368 154753337,252422630,403940910,635084757,982257860,1496223663 %N A055368 Number of asymmetric mobiles (circular rooted trees) with n nodes and 7 leaves. %H A055368 Georg Fischer, <a href="/A055368/b055368.txt">Table of n, a(n) for n = 9..129</a> %H A055368 <a href="/index/Mo#mobiles">Index entries for sequences related to mobiles</a> %Y A055368 Column 7 of A055363. %K A055368 nonn %O A055368 9,2 %A A055368 _Christian G. Bower_, May 16 2000