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A057779
as a simple table
n
a(n)
1
0
2
0
3
1
4
0
5
1
6
1
7
3
8
2
9
12
10
14
11
50
12
98
13
313
14
750
15
2308
16
6270
[0,0,1,0,1,1,3,2,12,14,50,98,313,750,2308,6270]