login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A050730
as a simple table
n
a(n)
0
0
1
1
2
2
3
3
4
4
5
5
6
7
7
8
8
9
9
11
10
12
11
13
12
21
13
33
[0,1,2,3,4,5,7,8,9,11,12,13,21,33]
