login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A084528
as a simple table
n
a(n)
1
1
2
2
3
5
4
17
5
59
6
201
7
703
8
2405
[1,2,5,17,59,201,703,2405]