login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A274168
as a simple table
n
a(n)
0
1
1
1
2
1
3
1
4
1
5
1
6
2
7
2
8
3
9
3
10
5
11
5
12
7
13
9
14
13
15
18
16
25
17
33
18
43
[1,1,1,1,1,1,2,2,3,3,5,5,7,9,13,18,25,33,43]