login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A075550
as a simple table
n
a(n)
1
1
2
1
3
1
4
3
5
4
6
4
7
8
8
9
9
9
[1,1,1,3,4,4,8,9,9]