login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A145752
as a simple table
n
a(n)
1
1
2
105
3
350
4
630
5
504
6
210
7
720
[1,105,350,630,504,210,720]