login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A089676
as a simple table
n
a(n)
0
1
1
2
2
2
3
4
4
5
5
6
6
8
7
9
8
10
9
16
10
17
[1,2,2,4,5,6,8,9,10,16,17]
