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A137886 as a simple table

na(n)
312
4144
53840
6138240
76804000
8436504320
935417088000
103546005299200
11429451518988800
1261883150757120000
1310463789706751180800
142051763183437532364800
15461802751261297205760000
16118254166096501129863168000

[12,144,3840,138240,6804000,436504320,35417088000,
 3546005299200,429451518988800,61883150757120000,
 10463789706751180800,2051763183437532364800,
 461802751261297205760000,
 118254166096501129863168000]