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 A262187 #13 Sep 08 2022 08:46:14
%S A262187 1,6,181440,1814811575069725360128000000
%N A262187 a(n) = (3^n)! / n!.
%C A262187 Next term is too large to include.
%F A262187 a(n) = A079288(n)/A000142(n).
%e A262187 For n = 2, a(n) = (3^2)! / (2)! = 181440.
%t A262187 Table[(3^n)! / n!, {n, 0, 6}] (* _Vincenzo Librandi_, Sep 15 2015 *)
%o A262187 (PARI) a(n) = (3^n)! / n!;
%o A262187 vector(5, n, a(n-1))
%o A262187 (Magma) [Factorial(3^n) / Factorial(n): n in [0..6]]; // _Vincenzo Librandi_, Sep 15 2015
%Y A262187 Cf. A079288, A000142.
%K A262187 nonn
%O A262187 0,2
%A A262187 _Altug Alkan_, Sep 14 2015