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A202946 as a simple table

n a(n)
1 3
2 18
3 1080
4 181440
5 59875200
6 32691859200
7 26676557107200
8 30411275102208000
9 46164315605151744000
10 90020415430045900800000
11 219289731987591814348800000
12 652606242395073239502028800000

[3,18,1080,181440,59875200,32691859200,
 26676557107200,30411275102208000,
 46164315605151744000,90020415430045900800000,
 219289731987591814348800000,
 652606242395073239502028800000]

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Last modified July 28 23:26 EDT 2021. Contains 346340 sequences. (Running on oeis4.)