login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A292780
as a simple table
n
a(n)
1
1
2
1365
3
6946975
4
160559525
5
324148475
[1,1365,6946975,160559525,324148475]