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A080474 as a simple table

n a(n)
1 1
2 6
3 990
4 421200
5 379501200
6 625757605200
7 1707530790369600
8 7172573016426048000
9 43928207579534870592000
10 376055676152225153019936000
11 4350748615258091511751558272000 

[1,6,990,421200,379501200,625757605200,
 1707530790369600,7172573016426048000,
 43928207579534870592000,
 376055676152225153019936000,
 4350748615258091511751558272000]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)