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A050237
as a simple table
n
a(n)
0
1
1
2
2
5
3
12
4
38
5
30
6
173
7
165
8
12259
9
8803
10
36735
11
67263
12
5296771
13
32975
14
1147233
[1,2,5,12,38,30,173,165,12259,8803,36735,67263, 5296771,32975,1147233]