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A307791
as a simple table
n
a(n)
1
3
2
1
3
0
4
1
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
0
13
0
14
0
15
0
16
0
17
0
18
0
19
0
[3,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
