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A339844
as a simple table
n
a(n)
0
1
1
2
2
6
3
16
4
51
5
162
6
554
7
1918
8
6843
9
24688
10
90342
11
333308
12
1239725
[1,2,6,16,51,162,554,1918,6843,24688,90342,333308, 1239725]
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Last modified July 18 12:51 EDT 2024. Contains 374378 sequences. (Running on oeis4.)