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A145094 as a simple table

na(n)
1240
24320
320160
470080
5151200
6362880
7577920
81123200
91635120
102721600
113516480
125886720
136857760
1410402560
1512700800
1617975040
1720049120
1829432160
1931281600
2044150400
2148545280
2263296640
2367167360
2494348800
2594506000
26123439680
27132451200

[240,4320,20160,70080,151200,362880,577920,
 1123200,1635120,2721600,3516480,5886720,6857760,
 10402560,12700800,17975040,20049120,29432160,
 31281600,44150400,48545280,63296640,67167360,
 94348800,94506000,123439680,132451200]