login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A323853
as a simple table
n
a(n)
2
2
3
8
4
64
5
288
6
1408
7
7248
8
39056
[2,8,64,288,1408,7248,39056]