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 A055355 #14 Mar 14 2022 07:25:07
%S A055355 45360,9862560,1160973000,99904860000,7103580541200,445556635524000,
%T A055355 25652184715357200,1391455702596960000,72404516222438400000,
%U A055355 3661224054771419136000,181631020686490222848000
%N A055355 Number of labeled mobiles (circular rooted trees) with n nodes and 8 leaves.
%H A055355 Georg Fischer, <a href="/A055355/b055355.txt">Table of n, a(n) for n = 9..250</a>
%H A055355 <a href="/index/Mo#mobiles">Index entries for sequences related to mobiles</a>
%t A055355 m = 20; L[x_] = Log[1 - x] + O[x]^m // Normal; A[_] = 0;
%t A055355 Do[A[x_] = x y - x L[A[x]] + O[x]^k // Normal // Expand, {k, m}];
%t A055355 Drop[(SeriesCoefficient[#, {y, 0, 8}] & /@ CoefficientList[A[x], x]) * Range[0, m - 1]!, 9] (* _Jean-François Alcover_, Nov 01 2019 *)
%Y A055355 Column 8 of A055349.
%K A055355 nonn
%O A055355 9,1
%A A055355 _Christian G. Bower_, May 15 2000