login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A339205
as a simple table
n
a(n)
1
1
2
0
3
0
4
0
5
1
6
6
7
39
8
221
9
1237
[1,0,0,0,1,6,39,221,1237]
