OFFSET
0,2
FORMULA
a(n) ~ 2^(2*(n+1)*(n+2)) * exp(13/24 - 2*n*(n+2)) * n^((n+2)*(4*n+3)/2) * Pi^(n/2 + 1). - Vaclav Kotesovec, Oct 26 2017
MATHEMATICA
Table[((2n+1)!)^(n + 2), {n, 0, 10}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Oct 22 2007
EXTENSIONS
Typo in a(6) corrected by Georg Fischer, Apr 10 2024
STATUS
approved