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A139796
as a simple table
n
a(n)
0
1
1
1
2
2
3
5
4
9
5
28
6
48
7
165
8
275
9
1001
10
1638
11
6188
[1,1,2,5,9,28,48,165,275,1001,1638,6188]
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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)