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A086188
as a simple table
n
a(n)
1
1
2
3
3
5
4
6
5
7
6
14
7
19
8
13
9
5
10
73
11
75
12
32
13
181
14
17
15
398
16
89
17
46
18
497
19
497
[1,3,5,6,7,14,19,13,5,73,75,32,181,17,398,89,46, 497,497]