login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A157833
as a simple table
n
a(n)
1
2
2
3
3
5
4
7
5
15
6
19
7
41
8
59
9
61
10
105
11
661
12
2653
13
3069
14
3943
15
4053
16
8275
[2,3,5,7,15,19,41,59,61,105,661,2653,3069,3943, 4053,8275]