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A272164 a(n) = Product_{k=0..n} (n^2-k)!. 7
1, 1, 288, 53094139822080000, 7114507432973653690572666462301501337370624000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
COMMENTS
The next term has 392 digits.
LINKS
FORMULA
a(n) = A272163(n) * ((n^2)!)^(n+1) / A272179(n)^n.
a(n) ~ exp(1/24 + n/6 - n^2 - n^3) * n^(1 + n^2 + 2*n^3) * (2*Pi)^((n+1)/2).
MATHEMATICA
Table[Product[(n^2-k)!, {k, 0, n}], {n, 0, 6}]
Table[BarnesG[n^2 + 2]/BarnesG[n^2 - n + 1], {n, 0, 6}]
CROSSREFS
Sequence in context: A291187 A296608 A306651 * A107739 A221203 A188367
KEYWORD
nonn,easy
AUTHOR
Vaclav Kotesovec, Apr 21 2016
STATUS
approved

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Last modified April 17 08:35 EDT 2024. Contains 371763 sequences. (Running on oeis4.)