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A332930
as a simple table
n
a(n)
0
1
1
1
2
1
3
2
4
5
5
16
6
60
7
255
8
1193
9
5862
10
29875
11
155995
12
830539
13
4489352
14
24581675
[1,1,1,2,5,16,60,255,1193,5862,29875,155995, 830539,4489352,24581675]