login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A283055
as a simple table
n
a(n)
1
1
2
4
3
22
4
137
5
607
6
2816
7
13616
[1,4,22,137,607,2816,13616]