login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A306417
as a simple table
n
a(n)
0
1
1
1
2
0
3
1
4
1
5
2
6
7
7
7
8
46
9
39
10
321
[1,1,0,1,1,2,7,7,46,39,321]