login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A018743
as a simple table
n
a(n)
1
1
2
3
3
11
4
29
5
33
6
87
7
319
8
957
[1,3,11,29,33,87,319,957]