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A289593
as a simple table
n
a(n)
1
1
2
1
3
1
4
3
5
8
6
25
7
80
8
264
9
890
10
3053
11
10622
[1,1,1,3,8,25,80,264,890,3053,10622]
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Last modified July 19 16:24 EDT 2024. Contains 374410 sequences. (Running on oeis4.)