login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A005866
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
2
9
2
10
2
11
2
12
4
13
4
14
8
15
16
16
32
17
36
18
64
19
128
20
256
21
512
22
1024
23
2048
24
4096
[1,1,1,1,1,1,1,2,2,2,2,4,4,8,16,32,36,64,128,256, 512,1024,2048,4096]