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A239888 as a simple table

na(n)
00
10
20
38
448
5464
64000
740032
8424704
94927232
1061553664
11827632640
1211914946560
13183014995968
142988450177024
1551709354532864
16945292051415040
1718207952013164544
18368620245155184640
197825923453008609280
20173870718374040305664
214034781267785209610240
2297622280693411826630656
232458689656873584082026496
2464361542182239808476151808

[0,0,0,8,48,464,4000,40032,424704,4927232,
 61553664,827632640,11914946560,183014995968,
 2988450177024,51709354532864,945292051415040,
 18207952013164544,368620245155184640,
 7825923453008609280,173870718374040305664,
 4034781267785209610240,97622280693411826630656,
 2458689656873584082026496,
 64361542182239808476151808]