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A134367
a(n) = (n!)^(n-2).
13
1, 1, 1, 6, 576, 1728000, 268738560000, 3252016064102400000, 4296582355504620109824000000, 828592942960967278432052230225920000000, 30067980714167580599742311330438184960000000000000000
OFFSET
0,4
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}]
KEYWORD
nonn
AUTHOR
Artur Jasinski, Oct 22 2007
STATUS
approved