A061902
formatted as a simple table:
n
a(n)
1
1
2
1
3
1
4
2
5
3
6
5
7
9
8
17
9
34
10
68
11
135
12
270
13
539
14
1078
15
2156
16
4311
17
8621
18
17242
19
34484
20
68967
21
137934
22
275867
[1,1,1,2,3,5,9,17,34,68,135,270,539,1078,2156, 4311,8621,17242,34484,68967,137934,275867]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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