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A075265
as a simple table
n
a(n)
1
1
2
2
3
24
4
48
5
5760
6
11520
7
2903040
8
5806080
9
1393459200
10
2786918400
[1,2,24,48,5760,11520,2903040,5806080,1393459200, 2786918400]