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A192834 as a simple table

na(n)
10
24
380
4800
56248
643424
7283880
81793600
911110088
1068008544
11413290280
122500208000
1315081582728
1490806120864
15546088834280
163281497784000
1719708713860168
18118330793948384
19710297609395880
204263033439001600
2125583180948198408
22153518974465539104

[0,4,80,800,6248,43424,283880,1793600,11110088,
 68008544,413290280,2500208000,15081582728,
 90806120864,546088834280,3281497784000,
 19708713860168,118330793948384,710297609395880,
 4263033439001600,25583180948198408,
 153518974465539104]