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A083688 as a simple table

na(n)
14
2144
3360
433600
515120
634927200
72162160
8172972800
91543782240
1010242872640
1110346336
122338727174784
1353542288800
144818805992000
153228118134040800
161178332991611776000
1778765574305600
1812256711017694416000
192914326249307200
203205758874237920000
21358462128664785600

[4,144,360,33600,15120,34927200,2162160,172972800,
 1543782240,10242872640,10346336,2338727174784,
 53542288800,4818805992000,3228118134040800,
 1178332991611776000,78765574305600,
 12256711017694416000,2914326249307200,
 3205758874237920000,358462128664785600]