login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A214442
as a simple table
n
a(n)
1
3
2
18
3
3318
4
39193162
5
943016093
6
390502539
7
3
[3,18,3318,39193162,943016093,390502539,3]