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 A272164 #9 Apr 23 2016 07:36:10
%S A272164 1,1,288,53094139822080000,
%T A272164 7114507432973653690572666462301501337370624000000000000
%N A272164 a(n) = Product_{k=0..n} (n^2-k)!.
%C A272164 The next term has 392 digits.
%F A272164 a(n) = A272163(n) * ((n^2)!)^(n+1) / A272179(n)^n.
%F A272164 a(n) ~ exp(1/24 + n/6 - n^2 - n^3) * n^(1 + n^2 + 2*n^3) * (2*Pi)^((n+1)/2).
%t A272164 Table[Product[(n^2-k)!, {k, 0, n}], {n, 0, 6}]
%t A272164 Table[BarnesG[n^2 + 2]/BarnesG[n^2 - n + 1], {n, 0, 6}]
%Y A272164 Cf. A272095, A272163, A272238, A272241.
%K A272164 nonn,easy
%O A272164 0,3
%A A272164 _Vaclav Kotesovec_, Apr 21 2016