login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A123843
as a simple table
n
a(n)
1
1
2
1
3
1
4
7
5
13
6
19
7
25
8
209
9
571
[1,1,1,7,13,19,25,209,571]
