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A117114
as a simple table
n
a(n)
0
2
1
2
2
3
3
4
4
3
5
3
6
2
7
4
8
5
9
3
10
3
11
1
12
3
13
3
14
4
15
6
16
2
17
4
18
5
19
1
20
4
21
2
22
3
[2,2,3,4,3,3,2,4,5,3,3,1,3,3,4,6,2,4,5,1,4,2,3]