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 A055320 #17 Sep 08 2022 08:45:01
%S A055320 9,11430,2994750,405167400,38104981200,2861947408320,185364917337600,
%T A055320 10851787634688000,592181546628672000,30766166997261696000,
%U A055320 1544883657843618892800,75806672148355180032000
%N A055320 Number of labeled trees with n nodes and 8 leaves.
%H A055320 Vincenzo Librandi, <a href="/A055320/b055320.txt">Table of n, a(n) for n = 9..200</a>
%H A055320 <a href="/index/Tra#trees">Index entries for sequences related to trees</a>
%F A055320 (n!/8!)*Stirling2(n-2, n-8). - _Vladeta Jovovic_, Jan 28 2004
%F A055320 a(n) = n! * (n-8)*(n-7)*(n-6)*(n-5)*(n-4)*(n-3)*(n-2)*(63*n^5 - 2205*n^4 + 30555*n^3 - 209251*n^2 + 707014*n - 940896)/117050572800. - _Vaclav Kotesovec_, Jul 25 2014
%t A055320 Table[n! * (n-8)*(n-7)*(n-6)*(n-5)*(n-4)*(n-3)*(n-2)*(63*n^5 - 2205*n^4 + 30555*n^3 - 209251*n^2 + 707014*n - 940896)/117050572800,{n,9,20}] (* _Vaclav Kotesovec_, Jul 25 2014 *)
%o A055320 (Magma) [Factorial(n)*(n-8)*(n-7)*(n-6)*(n-5)*(n-4)*(n-3)*(n-2)*(63*n^5 - 2205*n^4 + 30555*n^3 - 209251*n^2 + 707014*n - 940896)/117050572800: n in [9..25]]; // _Vincenzo Librandi_, Jul 25 2014
%Y A055320 Column 8 of A055314.
%K A055320 nonn
%O A055320 9,1
%A A055320 _Christian G. Bower_, May 11 2000