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A189509
as a simple table
n
a(n)
2
1
3
6
4
65
5
701
6
9324
7
138016
8
2325740
9
43448940
10
897020784
11
20241273264
[1,6,65,701,9324,138016,2325740,43448940, 897020784,20241273264]
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Last modified September 24 11:05 EDT 2024. Contains 376196 sequences. (Running on oeis4.)