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A097424 as a simple table

na(n)
11
22
34
448
5576
62304
715360
8614400
91548288000
103901685760000
119832248115200000
1224777265250304000000
1362438708430766080000000
14157345545245530521600000000
155154640062243579887616000000000

[1,2,4,48,576,2304,15360,614400,1548288000,
 3901685760000,9832248115200000,
 24777265250304000000,62438708430766080000000,
 157345545245530521600000000,
 5154640062243579887616000000000]