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A192839 as a simple table

na(n)
10
248
3768
44320
515360
642000
796768
8197568
9368640
10641520
111056000
121661088
132515968
143690960
155268480
167344000
1710027008
1813441968
1917729280
2023046240
2129568000
2237488528
2347021568
2458401600
2571884800
2687750000
27106299648
28127860768
29152785920
30181454160

[0,48,768,4320,15360,42000,96768,197568,368640,
 641520,1056000,1661088,2515968,3690960,5268480,
 7344000,10027008,13441968,17729280,23046240,
 29568000,37488528,47021568,58401600,71884800,
 87750000,106299648,127860768,152785920,181454160]