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A138718
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
8
10
8
11
1
12
2
13
3
14
4
15
5
16
6
17
7
18
8
[1,2,3,4,5,6,7,8,8,8,1,2,3,4,5,6,7,8]