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A331558 as a simple table

na(n)
10
21
32
43
54
620
7216
81862
913840
10104904
11949200
1210517232
13130307904
141694503824
1523063845728
16335427395760
175269616092416
1888835797577472
191587229554415104
2029838489410093184
21589394278657267200
2212235109311726689024
23266570965998899071488

[0,1,2,3,4,20,216,1862,13840,104904,949200,
 10517232,130307904,1694503824,23063845728,
 335427395760,5269616092416,88835797577472,
 1587229554415104,29838489410093184,
 589394278657267200,12235109311726689024,
 266570965998899071488]