login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A337261
as a simple table
n
a(n)
1
0
2
1
3
2
4
3
5
8
6
9
7
11
8
12
[0,1,2,3,8,9,11,12]