login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A178294
as a simple table
n
a(n)
0
0
1
4
2
44
3
376
4
2960
5
22624
6
171584
7
1303936
8
9969920
9
76793344
[0,4,44,376,2960,22624,171584,1303936,9969920, 76793344]