login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A248905
as a simple table
n
a(n)
1
1
2
1
3
2
4
1
5
5
6
5
7
1
8
30
9
192
10
15
11
1
12
1247
[1,1,2,1,5,5,1,30,192,15,1,1247]