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A243275
as a simple table
n
a(n)
1
1
2
0
3
0
4
1
5
1
6
4
7
5
8
35
9
130
10
1293
11
13529
12
232852
13
5009335
14
147950020
[1,0,0,1,1,4,5,35,130,1293,13529,232852,5009335, 147950020]