login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A320600
as a simple table
n
a(n)
1
1
2
2
3
4
4
4
5
32
6
156
7
564
8
1386
9
1764
[1,2,4,4,32,156,564,1386,1764]