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A324233
as a simple table
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
1
12
7
13
334
14
449239
15
9715703918
[0,0,0,0,0,0,0,0,0,0,1,7,334,449239,9715703918]