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A054005 as a simple table

na(n)
124
22160
32640
44320
551840
665280
7115200
8138240
9194400
10186048
11276480
12483840
13622080
14700416
15950400
16984960
171118880
181128960
191612800
202661120
213937248
223617280
235019840
246128640
255806080
267375680
278467200
2811583936

[24,2160,2640,4320,51840,65280,115200,138240,
 194400,186048,276480,483840,622080,700416,950400,
 984960,1118880,1128960,1612800,2661120,3937248,
 3617280,5019840,6128640,5806080,7375680,8467200,
 11583936]