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A055459
as a simple table
n
a(n)
1
2
2
1
3
11
4
14
5
81
6
242
7
1142
8
4771
9
29009
10
127876
11
805947
12
4868681
13
31862753
[2,1,11,14,81,242,1142,4771,29009,127876,805947, 4868681,31862753]