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A189686
as a simple table
n
a(n)
1
2
2
4
3
6
4
12
5
24
6
36
7
48
8
60
9
120
10
180
11
240
12
360
13
720
14
840
15
2520
16
5040
[2,4,6,12,24,36,48,60,120,180,240,360,720,840, 2520,5040]