OFFSET
0,10
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..665
FORMULA
a(n) = Product_{i=0..7} floor((n+i)/8)!.
a(n) ~ (2*Pi*n)^(7/2) * n! / 8^(n + 4). - Vaclav Kotesovec, Oct 02 2018
EXAMPLE
a(9) = 2: 123456789, 923456781.
MATHEMATICA
Table[Product[Floor[(n + i)/8]!, {i, 0, 7}], {n, 0, 40}] (* Vaclav Kotesovec, Oct 02 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jul 15 2016
STATUS
approved