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A003840 as a simple table

n a(n)
1 2
2 129600
3 50759843097600
4 129182006871144805294080000
5 2154683673871373733440812330742751559680000
6 235766858527753399707968381023024646011879419539171573760000000

[2,129600,50759843097600,
 129182006871144805294080000,
 2154683673871373733440812330742751559680000,
 23576685852775339970796838102302464601187941953917\
 1573760000000]

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Last modified April 24 04:02 EDT 2024. Contains 371918 sequences. (Running on oeis4.)