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A219304
as a simple table
n
a(n)
1
1
2
6
3
90
4
3334
5
326444
6
89981627
7
68906619754
8
144049729095880
[1,6,90,3334,326444,89981627,68906619754, 144049729095880]
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Last modified September 17 21:55 EDT 2024. Contains 375990 sequences. (Running on oeis4.)