login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A163709
as a simple table
n
a(n)
1
1
2
47
3
642
4
6336
5
53065
6
381729
7
2583720
8
17293440
[1,47,642,6336,53065,381729,2583720,17293440]
