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A374606 as a simple table

na(n)
01
116
2783
352000
43984625
5331782528
629167556544
72664193232448
8250366507021125
924050203166498080
102350951602405723031
11233101029618601148160
1223386851829632443099584
132369867535548685346720000
14242199626637223381868264640
1524935593829720710016846519424
162583792728153680286245574534061

[1,16,783,52000,3984625,331782528,29167556544,
 2664193232448,250366507021125,24050203166498080,
 2350951602405723031,233101029618601148160,
 23386851829632443099584,2369867535548685346720000,
 242199626637223381868264640,
 24935593829720710016846519424,
 2583792728153680286245574534061]