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A114425 as a simple table

na(n)
18
296
31728
434560
5933120
626127360
7783820800
832920473600
91448500838400
1065182537728000
113259126886400000
12169474598092800000
1310676899679846400000
14704675378869862400000
1547917925763150643200000

[8,96,1728,34560,933120,26127360,783820800,
 32920473600,1448500838400,65182537728000,
 3259126886400000,169474598092800000,
 10676899679846400000,704675378869862400000,
 47917925763150643200000]