A133090
formatted as a simple table:
n
a(n)
1
1
2
1
3
5
4
3
5
9
6
5
7
13
8
7
9
17
10
9
11
21
12
11
13
25
14
13
15
29
16
15
[1,1,5,3,9,5,13,7,17,9,21,11,25,13,29,15]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
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