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 A272163 #10 Apr 23 2016 08:12:40
%S A272163 0,12,84672,133937556480,84132174409113600000,
%T A272163 31820251569524195280814080000000,
%U A272163 10171374668270380199596141241071328726876160000,3665849746122305381874580384965936229566478146157181833052160000
%N A272163 a(n) = Product_{k=0..n} (n^2-k)^k.
%F A272163 a(n) = A272164(n) * A272179(n)^n / ((n^2)!)^(n+1).
%F A272163 a(n) ~ n^(n*(n+1)) / exp(n/3 + 5/8).
%t A272163 Table[Product[(n^2-k)^k, {k, 0, n}], {n, 1, 10}]
%t A272163 Table[BarnesG[n^2 + 2] * (n-1)^n * n^n * Pochhammer[1 - n + n^2, n]^n / (((n^2)!)^(n+1) * BarnesG[n^2 - n + 1]), {n, 1, 10}]
%Y A272163 Cf. A272164, A272237.
%K A272163 nonn,easy
%O A272163 1,2
%A A272163 _Vaclav Kotesovec_, Apr 21 2016