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A018365
as a simple table
n
a(n)
1
1
2
2
3
3
4
5
5
6
6
9
7
10
8
15
9
18
10
27
11
30
12
45
13
54
14
90
15
135
16
270
[1,2,3,5,6,9,10,15,18,27,30,45,54,90,135,270]
