A001272
formatted as a simple table:
n
a(n)
1
3
2
4
3
5
4
6
5
7
6
8
7
10
8
15
9
19
10
41
11
59
12
61
13
105
14
160
15
661
16
2653
17
3069
18
3943
19
4053
20
4998
21
8275
22
9158
23
11164
[3,4,5,6,7,8,10,15,19,41,59,61,105,160,661,2653, 3069,3943,4053,4998,8275,9158,11164]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 10 00:48 EST 2009. Contains 170565 sequences.
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