login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A000510
as a simple table
n
a(n)
2
7
3
9
4
9
5
11
6
15
7
15
8
17
[7,9,9,11,15,15,17]