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A075267 as a simple table

n a(n)
1 2
2 24
3 8
4 2880
5 288
6 362880
7 17280
8 29030400
9 89600
10 958003200
11 17418240
12 31384184832000
13 402361344000
14 62768369664000
15 295206912
16 512189896458240000
17 342372925440000
18 919636959090769920000
19 5377993912811520000
20 674400436666564608000000
21 89903156428800000 

[2,24,8,2880,288,362880,17280,29030400,89600,
 958003200,17418240,31384184832000,402361344000,
 62768369664000,295206912,512189896458240000,
 342372925440000,919636959090769920000,
 5377993912811520000,674400436666564608000000,
 89903156428800000]

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Last modified May 20 16:51 EDT 2024. Contains 372719 sequences. (Running on oeis4.)