A002722
formatted as a simple table:
n
a(n)
1
1
2
1
3
1
4
2
5
2
6
2
7
4
8
6
9
6
10
8
11
11
12
13
13
17
14
24
15
28
16
36
[1,1,1,2,2,2,4,6,6,8,11,13,17,24,28,36]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 17 23:40 EST 2009. Contains 171025 sequences.
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