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A122027
as a simple table
n
a(n)
1
1
2
2
3
2
4
3
5
3
6
3
7
3
8
4
9
4
10
4
11
4
12
4
13
4
14
5
15
5
16
5
17
5
18
5
19
5
20
5
21
5
22
5
23
5
24
5
25
5
26
5
27
5
28
6
29
6
30
6
31
6
[1,2,2,3,3,3,3,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5, 5,5,5,6,6,6,6]