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A225823 as a simple table

n a(n)
2 1
3 4
4 54
5 1568
6 80680
7 6510624
8 761286848
9 121944722176
10 25668462562560

[1,4,54,1568,80680,6510624,761286848,121944722176,
 25668462562560]

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Last modified September 11 23:47 EDT 2024. Contains 375842 sequences. (Running on oeis4.)