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A071248 as a simple table

na(n)
11
24
354
4768
575000
6466560
7592950960
85284823040
91735643790720
1045360000000000
111035338990313196800
12102980960177356800
13145077660657859734604800
14154452450072526199193600

[1,4,54,768,75000,466560,592950960,5284823040,
 1735643790720,45360000000000,1035338990313196800,
 102980960177356800,145077660657859734604800,
 154452450072526199193600]