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A104489
as a simple table
n
a(n)
1
1
2
1
3
3
4
1
5
5
6
5
7
3
8
1
9
9
10
9
11
11
12
1
13
5
14
5
15
3
16
1
17
17
18
17
19
19
20
17
21
5
22
5
23
3
24
1
25
9
26
9
27
11
28
1
29
5
30
5
31
3
32
1
[1,1,3,1,5,5,3,1,9,9,11,1,5,5,3,1,17,17,19,17,5,5, 3,1,9,9,11,1,5,5,3,1]