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A071765 as a simple table

na(n)
10
296
31560
420160
5246840
62978976
735806680
8429889920
95159439480
1061916079456
11743003467800
128916081545280
13106993131892920
141283918176981536
1515407020443448920
16184884254427882240
172218611089044007160
1826623333210616085216
19319479999091095974040

[0,96,1560,20160,246840,2978976,35806680,
 429889920,5159439480,61916079456,743003467800,
 8916081545280,106993131892920,1283918176981536,
 15407020443448920,184884254427882240,
 2218611089044007160,26623333210616085216,
 319479999091095974040]