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A140275
as a simple table
n
a(n)
1
1
2
2
3
5
4
8
5
32
6
20
7
120
8
112
9
172
10
80
11
1164
12
312
13
5160
14
1852
15
812
16
432
17
10168
[1,2,5,8,32,20,120,112,172,80,1164,312,5160,1852, 812,432,10168]