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A208091
as a simple table
n
a(n)
0
1
1
11
2
3
3
4
4
6
5
8
6
38
7
24
8
32
9
18
10
48
11
138
12
20
13
588
14
144
15
252
16
5520
17
168
18
7200
19
2400
20
2850
[1,11,3,4,6,8,38,24,32,18,48,138,20,588,144,252, 5520,168,7200,2400,2850]