login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A212202
as a simple table
n
a(n)
1
1
2
2
3
4
4
16
5
18
6
256
7
258
8
65536
9
65540
[1,2,4,16,18,256,258,65536,65540]