login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A260811
as a simple table
n
a(n)
0
1
1
0
2
0
3
0
4
0
5
0
6
0
7
1
8
1
9
3
10
10
11
28
12
162
13
1201
14
11415
15
125571
16
1514489
[1,0,0,0,0,0,0,1,1,3,10,28,162,1201,11415,125571, 1514489]