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A217267 as a simple table

n a(n)
1 0
2 9
3 1472
4 2572816
5 48909857500
6 10211121295308649
7 23397344246732649325860

[0,9,1472,2572816,48909857500,10211121295308649,
 23397344246732649325860]

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Last modified April 25 09:56 EDT 2024. Contains 371967 sequences. (Running on oeis4.)