login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A178352
as a simple table
n
a(n)
0
0
1
20
2
372
3
5696
4
85584
5
1324160
6
21306432
7
354876416
8
6065958144
9
105562511360
[0,20,372,5696,85584,1324160,21306432,354876416, 6065958144,105562511360]