login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A006186
as a simple table
n
a(n)
4
1
5
5
6
8
7
10
8
11
9
12
10
12
11
13
12
13
13
13
[1,5,8,10,11,12,12,13,13,13]
