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A268117
as a simple table
n
a(n)
1
1
2
10
3
30
4
182
5
1687
6
24745
7
586844
8
22971957
9
1520467020
[1,10,30,182,1687,24745,586844,22971957, 1520467020]
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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)