login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A039626
as a simple table
n
a(n)
1
1
2
1
3
4
4
13
5
57
6
255
7
1224
8
5953
[1,1,4,13,57,255,1224,5953]
