login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A091841
as a simple table
n
a(n)
0
1
1
3
2
9
3
32
4
119
5
463
6
1837
7
7332
8
29307
9
117203
10
468785
[1,3,9,32,119,463,1837,7332,29307,117203,468785]