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A143533
as a simple table
n
a(n)
1
0
2
1
3
2
4
4
5
18
6
40
7
162
8
526
9
1708
10
4838
11
13522
12
34062
[0,1,2,4,18,40,162,526,1708,4838,13522,34062]
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Last modified May 3 21:01 EDT 2024. Contains 372225 sequences. (Running on oeis4.)
