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A323920
as a simple table
n
a(n)
1
0
2
0
3
1
4
0
5
4
6
4
7
13
8
17
9
53
10
64
11
203
12
269
13
810
14
1102
15
3321
[0,0,1,0,4,4,13,17,53,64,203,269,810,1102,3321]
