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A337732
as a simple table
n
a(n)
0
1
1
0
2
10
3
50
4
150
5
1014
6
9450
7
8305
8
283055
9
931395
10
92441055
11
84305555
12
28322235955
[1,0,10,50,150,1014,9450,8305,283055,931395, 92441055,84305555,28322235955]