login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A244020
as a simple table
n
a(n)
1
4
2
6
3
3
4
3
5
6
6
16
7
84
8
1716
9
719628
[4,6,3,3,6,16,84,1716,719628]