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A086588
as a simple table
n
a(n)
0
1
1
1
2
2
3
5
4
13
5
33
6
84
7
204
8
485
9
1147
10
2622
11
5864
12
12870
[1,1,2,5,13,33,84,204,485,1147,2622,5864,12870]