login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A071848
as a simple table
n
a(n)
1
2
2
3
3
5
4
10
5
13
6
22
7
38
8
85
9
138
10
246
11
547
12
1121
13
2792
14
6379
15
15021
16
20870
17
48309
18
161629
[2,3,5,10,13,22,38,85,138,246,547,1121,2792,6379, 15021,20870,48309,161629]