A064660
formatted as a simple table:
n
a(n)
1
1
2
1
3
2
4
3
5
4
6
6
7
8
8
11
9
15
10
22
11
30
12
39
13
53
14
75
15
106
16
151
[1,1,2,3,4,6,8,11,15,22,30,39,53,75,106,151]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
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