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A143217 as a simple table

n a(n)
0 1
1 2
2 8
3 60
4 816
5 18480
6 629280
7 29806560
8 1864154880
9 148459288320
10 14652782323200
11 1754531527795200
12 250496911136102400
13 42032247888401971200
14 8188505926989625036800
15 1832839841629043799552000
16 467088574163459753336832000
17 134454052266325985991942144000 

[1,2,8,60,816,18480,629280,29806560,1864154880,
 148459288320,14652782323200,1754531527795200,
 250496911136102400,42032247888401971200,
 8188505926989625036800,1832839841629043799552000,
 467088574163459753336832000,
 134454052266325985991942144000]

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Last modified May 4 07:06 EDT 2024. Contains 372230 sequences. (Running on oeis4.)