A002723
formatted as a simple table:
n
a(n)
1
1
2
1
3
1
4
1
5
2
6
2
7
3
8
3
9
5
10
6
11
8
12
9
13
11
14
14
15
19
16
22
[1,1,1,1,2,2,3,3,5,6,8,9,11,14,19,22]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
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