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A260060
as a simple table
n
a(n)
0
1
1
8
2
7
3
4
4
3
5
2
6
19
7
12
8
6
9
5
10
13
11
9
12
10
13
16
14
30
15
18
16
34
17
36
18
66
19
162
20
924
21
71820
[1,8,7,4,3,2,19,12,6,5,13,9,10,16,30,18,34,36,66, 162,924,71820]