login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A034628
as a simple table
n
a(n)
0
1
1
0
2
0
3
0
4
646380
5
24820992
6
565367040
7
7735875840
8
74930308740
[1,0,0,0,646380,24820992,565367040,7735875840, 74930308740]
