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A098910
as a simple table
n
a(n)
1
2
2
1
3
3
4
1
5
4
6
3
7
5
8
3
9
6
10
3
11
7
12
3
13
8
14
7
15
8
16
6
17
9
18
3
19
10
20
3
21
12
22
9
[2,1,3,1,4,3,5,3,6,3,7,3,8,7,8,6,9,3,10,3,12,9]