A134367 a(n) = (n!)^(n-2).

1, 1, 1, 6, 576, 1728000, 268738560000, 3252016064102400000, 4296582355504620109824000000, 828592942960967278432052230225920000000, 30067980714167580599742311330438184960000000000000000

Offset

0,4

Links

Table of n, a(n) for n=0..10.

Formula

a(n) ~ exp(1/12 + 2*n - n^2) * n^(n^2 - 3*n/2 - 1) * (2*Pi)^(n/2 - 1). - Vaclav Kotesovec, Oct 26 2017

Mathematica

Table[(n!)^(n - 2), {n, 0, 10}]

Crossrefs

Cf. A000142, A001044, A000442, A134367, A134368, A134369, A134370, A134371, A134374, A134375.

Sequence in context: A268207 A268247 A345024 * A255886 A300389 A172899

Adjacent sequences: A134364 A134365 A134366 * A134368 A134369 A134370

Keyword

nonn

Author

Artur Jasinski, Oct 22 2007

Status

approved