OFFSET
0,2
FORMULA
a(n) ~ n^(4*n + 5/2) / exp(4*n - Pi*sqrt(2)*n^(1/4)).
MATHEMATICA
Table[Product[k^4 + n, {k, 0, n}], {n, 0, 15}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Aug 31 2024
STATUS
approved