login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A111795
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
7
7
8
8
11
9
16
10
17
11
19
12
31
13
32
14
53
15
59
16
67
17
127
18
128
[1,2,3,4,5,7,8,11,16,17,19,31,32,53,59,67,127,128]