login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A046098
as a simple table
n
a(n)
1
0
2
1
3
2
4
3
5
4
6
5
7
7
8
8
9
11
10
17
11
19
12
23
13
71
[0,1,2,3,4,5,7,8,11,17,19,23,71]