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A127384
as a simple table
n
a(n)
0
1
1
1
2
2
3
4
4
9
5
23
6
62
7
179
8
543
9
1705
10
5482
11
18056
12
60634
13
206824
[1,1,2,4,9,23,62,179,543,1705,5482,18056,60634, 206824]