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A306884
as a simple table
n
a(n)
0
1
1
1
2
3
3
6
4
14
5
28
6
93
7
270
8
86170
9
7625640881546
[1,1,3,6,14,28,93,270,86170,7625640881546]
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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)