A161826
formatted as a simple table:
n
a(n)
1
1
2
2
3
3
4
4
5
6
6
8
7
9
8
12
9
15
10
20
11
24
12
25
13
30
[1,2,3,4,6,8,9,12,15,20,24,25,30]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 7 08:40 EST 2009. Contains 170430 sequences.
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