login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A273523
as a simple table
n
a(n)
0
1
1
3
2
5
3
27
4
35
5
165
6
209
7
2351
8
11277
[1,3,5,27,35,165,209,2351,11277]