login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A227390
as a simple table
n
a(n)
1
0
2
16
3
390
4
30
5
156
6
93052
7
1884
8
2910
[0,16,390,30,156,93052,1884,2910]