login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A331667
as a simple table
n
a(n)
1
1
2
4
3
19683
4
65536
5
2176782336
6
101559956668416
7
7958661109946400884391936
[1,4,19683,65536,2176782336,101559956668416, 7958661109946400884391936]