login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A139437
as a simple table
n
a(n)
1
3
2
5
3
6
4
8
5
10
6
11
7
16
8
17
9
20
10
23
11
25
12
32
13
41
[3,5,6,8,10,11,16,17,20,23,25,32,41]