login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A372741
as a simple table
n
a(n)
1
1
2
2
3
6
4
30
5
210
6
930
7
2310
8
2730
9
30030
10
71610
11
84630
[1,2,6,30,210,930,2310,2730,30030,71610,84630]
