A130330
formatted as a simple table:
n
a(n)
1
1
2
3
3
1
4
7
5
3
6
1
7
15
8
7
9
3
10
1
11
31
12
15
13
7
14
3
15
1
16
63
17
31
18
15
19
7
20
3
21
1
22
127
23
63
24
31
25
15
26
7
27
3
28
1
29
255
30
127
31
63
32
31
33
15
34
7
35
3
36
1
[1,3,1,7,3,1,15,7,3,1,31,15,7,3,1,63,31,15,7,3,1, 127,63,31,15,7,3,1,255,127,63,31,15,7,3,1]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 4 15:11 EST 2009. Contains 170347 sequences.
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