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A086481
as a simple table
n
a(n)
0
4
1
8
2
12
3
9
4
125
5
24
6
343
7
18
8
16
9
40
10
1331
11
48
12
2197
13
56
14
3375
[4,8,12,9,125,24,343,18,16,40,1331,48,2197,56, 3375]