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A003801 as a simple table

n a(n)
1 20160
2 12130560
3 987033600
4 29016000000
5 4635182361600
6 34558531338240
7 203039372390400
8 4139330225184000
9 50858076935877120
10 1148120010326016000
11 2851903720876769280
12 15136750711925049600 

[20160,12130560,987033600,29016000000,
 4635182361600,34558531338240,203039372390400,
 4139330225184000,50858076935877120,
 1148120010326016000,2851903720876769280,
 15136750711925049600]

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Last modified April 28 14:21 EDT 2024. Contains 372088 sequences. (Running on oeis4.)