login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A338152
as a simple table
n
a(n)
1
1
2
2
3
24
4
24024
5
193270310
6
767795414400
[1,2,24,24024,193270310,767795414400]