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A297572
as a simple table
n
a(n)
0
1
1
3
2
6
3
26
4
2
5
75
6
89
7
18
8
108
9
4
10
9042
11
10265
12
10524
13
138
14
8
15
72
16
596
17
4438
18
390
19
16
20
55716
[1,3,6,26,2,75,89,18,108,4,9042,10265,10524,138,8, 72,596,4438,390,16,55716]