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A143770 as a simple table

na(n)
12
212
360
4120
5840
62520
75040
827720
955440
10110880
11166320
12720720
131441440
142162160
153603600
167207200
1710810800
1836756720
1961261200
20122522400
21183783600
22367567200
23698377680
242327925600
253491888400
266983776800
2713967553600
2848886437600
2980313433200
30160626866400

[2,12,60,120,840,2520,5040,27720,55440,110880,
 166320,720720,1441440,2162160,3603600,7207200,
 10810800,36756720,61261200,122522400,183783600,
 367567200,698377680,2327925600,3491888400,
 6983776800,13967553600,48886437600,80313433200,
 160626866400]