login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A053189
as a simple table
n
a(n)
5
1
6
6
7
8
8
24
9
46
10
110
11
232
12
504
13
1080
[1,6,8,24,46,110,232,504,1080]