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 A134366 #10 Oct 26 2017 16:00:41
%S A134366 1,1,2,36,13824,207360000,193491763200000,16390160963076096000000,
%T A134366 173238200573946282828103680000000,
%U A134366 300679807141675805997423113304381849600000000
%N A134366 a(n) = (n!)^(n-1).
%F A134366 a(n) ~ exp(1/12 + n - n^2) * n^((n-1)*(2*n+1)/2) * (2*Pi)^((n-1)/2). - _Vaclav Kotesovec_, Oct 26 2017
%p A134366 a:=n->mul(n!/k, k=1..n): seq(a(n), n=0..9); # _Zerinvary Lajos_, Jan 22 2008
%p A134366 restart:with (combinat):a:=n->mul(stirling1(n,1), j=3..n): seq(a(n), n=1..10); # _Zerinvary Lajos_, Jan 01 2009
%t A134366 Table[(n!)^(n - 1), {n, 0, 10}]
%o A134366 (PARI) a(n) = (n!)^(n-1); \\ _Michel Marcus_, Dec 23 2015
%Y A134366 Cf. A000142, A001044, A000442, A134366. A134367, A134368, A134369, A134370, A134371, A134374, A134375.
%K A134366 nonn
%O A134366 0,3
%A A134366 _Artur Jasinski_, Oct 22 2007
%E A134366 Offset corrected to 0 by _Michel Marcus_, Dec 23 2015