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A109123 as a simple table

na(n)
0432
19472
264800
3269568
4842800
52184192
64953312
710163200
819288368
934387200
1058238752
1194493952
12147841200
13224186368
14330847200
15476762112
16672713392
17931564800
181268513568
191701356800
202250772272
212940613632
223798220000
234854739968
246145470000
257710207232

[432,9472,64800,269568,842800,2184192,4953312,
 10163200,19288368,34387200,58238752,94493952,
 147841200,224186368,330847200,476762112,672713392,
 931564800,1268513568,1701356800,2250772272,
 2940613632,3798220000,4854739968,6145470000,
 7710207232]