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A005820
as a simple table
n
a(n)
1
120
2
672
3
523776
4
459818240
5
1476304896
6
51001180160
[120,672,523776,459818240,1476304896,51001180160]
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Last modified September 23 06:29 EDT 2024. Contains 376143 sequences. (Running on oeis4.)