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A007041 as a simple table

na(n)
22
312
412
51120
63360
76720
86720
9172972800
101210809600
117264857600
1236324288000
13145297152000
14435891456000
15871782912000
16871782912000
171676837160768946176000
1825152557411534192640000
19352135803761478696960000
204577765448899223060480000

[2,12,12,1120,3360,6720,6720,172972800,1210809600,
 7264857600,36324288000,145297152000,435891456000,
 871782912000,871782912000,1676837160768946176000,
 25152557411534192640000,352135803761478696960000,
 4577765448899223060480000]