login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A328816
as a simple table
n
a(n)
1
0
2
0
3
0
4
16
5
104
6
608
7
3480
8
19212
9
213280
10
587072
11
3237456
[0,0,0,16,104,608,3480,19212,213280,587072, 3237456]
