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A328549
as a simple table
n
a(n)
1
1
2
2
3
6
4
12
5
60
6
120
7
360
8
2520
9
5040
10
55440
11
720720
12
1441440
[1,2,6,12,60,120,360,2520,5040,55440,720720, 1441440]