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A168263
as a simple table
n
a(n)
1
1
2
2
3
4
4
6
5
12
6
24
7
60
8
120
9
180
10
840
11
1260
12
1680
13
27720
[1,2,4,6,12,24,60,120,180,840,1260,1680,27720]