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 A055367 #11 Mar 16 2022 04:52:35 %S A055367 1,8,45,190,672,2045,5580,13868,31968,69069,141284,275484,515296, %T A055367 928952,1620895,2746538,4533060,7305216,11520492,17811767,27043799, %U A055367 40380695,59373007,86060337,123101225,173924181,242915666,335636501 %N A055367 Number of asymmetric mobiles (circular rooted trees) with n nodes and 6 leaves. %H A055367 Georg Fischer, <a href="/A055367/b055367.txt">Table of n, a(n) for n = 8..129</a> %H A055367 <a href="/index/Mo#mobiles">Index entries for sequences related to mobiles</a> %Y A055367 Column 6 of A055363. %K A055367 nonn %O A055367 8,2 %A A055367 _Christian G. Bower_, May 16 2000