login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A007037
as a simple table
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
1
9
1
10
9
11
48
12
343
13
2466
14
18905
[0,0,0,0,0,0,0,1,1,9,48,343,2466,18905]