login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A213596
as a simple table
n
a(n)
1
1
2
4
3
36
4
450
5
5172
6
75204
7
1353240
8
27948312
[1,4,36,450,5172,75204,1353240,27948312]