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A052412
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
3
11
14
12
57
13
210
14
712
15
2268
16
7011
[0,0,0,0,0,0,0,0,0,3,14,57,210,712,2268,7011]