A099260
formatted as a simple table:
n
a(n)
0
1
1
2
2
3
3
4
4
6
5
7
6
8
7
9
8
10
9
11
10
12
11
13
12
14
13
15
14
16
15
17
16
18
17
19
18
20
19
21
20
22
21
23
[1,2,3,4,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20, 21,22,23]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 21 10:15 EST 2009. Contains 171081 sequences.
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