login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A227725
as a simple table
n
a(n)
0
2
1
2
2
1
3
2
4
3
5
2
6
2
7
7
8
14
9
23
10
2
11
15
12
70
13
345
14
3904
[2,2,1,2,3,2,2,7,14,23,2,15,70,345,3904]