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A034917
as a simple table
n
a(n)
1
1
2
2
3
4
4
16
5
48
6
160
7
576
8
2304
9
12288
10
73728
11
327680
12
2097152
[1,2,4,16,48,160,576,2304,12288,73728,327680, 2097152]
