login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A216037
as a simple table
n
a(n)
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
0
13
0
14
0
15
2
16
6
17
7
18
28
19
35
20
136
21
168
22
978
23
1276
24
12720
[0,0,0,0,0,0,0,0,0,0,0,0,0,2,6,7,28,35,136,168, 978,1276,12720]