login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A226963
as a simple table
n
a(n)
1
1
2
2
3
5
4
10
5
30
6
210
7
9030
8
235290
9
11072512110
[1,2,5,10,30,210,9030,235290,11072512110]
