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A307807
as a simple table
n
a(n)
1
3
2
0
3
3
4
1
5
2
6
0
7
2
8
2
9
5
10
2
11
1
12
2
13
0
14
0
15
0
16
0
17
1
18
2
19
3
20
0
21
1
22
1
[3,0,3,1,2,0,2,2,5,2,1,2,0,0,0,0,1,2,3,0,1,1]