login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A307519
as a simple table
n
a(n)
1
2
2
1
3
2
4
6
5
10
6
17
7
34
8
72
9
142
10
288
11
585
12
1195
13
2413
14
4898
[2,1,2,6,10,17,34,72,142,288,585,1195,2413,4898]
