login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A013588
as a simple table
n
a(n)
1
2
2
2
3
3
4
4
5
6
6
10
7
19
8
41
9
103
10
269
[2,2,3,4,6,10,19,41,103,269]