login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A281627
as a simple table
n
a(n)
1
3
2
5
3
17
4
85
5
4369
6
65537
7
327685
8
1431655765
[3,5,17,85,4369,65537,327685,1431655765]
