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A075267 as a simple table

na(n)
12
224
38
42880
5288
6362880
717280
829030400
989600
10958003200
1117418240
1231384184832000
13402361344000
1462768369664000
15295206912
16512189896458240000
17342372925440000
18919636959090769920000
195377993912811520000
20674400436666564608000000
2189903156428800000

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