login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A321651
as a simple table
n
a(n)
1
1
2
1
3
1
4
2
5
1
6
3
7
6
8
24
9
36
10
180
11
840
[1,1,1,2,1,3,6,24,36,180,840]