login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A002966
as a simple table
n
a(n)
1
1
2
1
3
3
4
14
5
147
6
3462
7
294314
8
159330691
[1,1,3,14,147,3462,294314,159330691]