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A243270
as a simple table
n
a(n)
1
1
2
0
3
0
4
1
5
0
6
4
7
0
8
24
9
0
10
473
11
0
12
30512
13
0
14
6374556
[1,0,0,1,0,4,0,24,0,473,0,30512,0,6374556]