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A096802
as a simple table
n
a(n)
0
1
1
1
2
2
3
4
4
12
5
42
6
188
7
950
8
5362
9
33361
10
222120
11
1600145
12
12069976
13
98105654
[1,1,2,4,12,42,188,950,5362,33361,222120,1600145, 12069976,98105654]