login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A323945
as a simple table
n
a(n)
1
0
2
2
3
6
4
36
5
174
6
1074
7
8324
8
67684
9
613118
10
6190842
11
70172848
12
855662824
[0,2,6,36,174,1074,8324,67684,613118,6190842, 70172848,855662824]