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A301335 as a simple table

na(n)
01
11
24
327
4260
53175
647304
7833147
816941120
9390611331
1010070060200
11287028156162
128962583345856
13304255011200647
1411156593415089808
15439452231820920000
1618505340390664634384
17829599437871129843839
1839447684087807950938908
191983038000428208822539998
20105080571577382659860160800

[1,1,4,27,260,3175,47304,833147,16941120,
 390611331,10070060200,287028156162,8962583345856,
 304255011200647,11156593415089808,
 439452231820920000,18505340390664634384,
 829599437871129843839,39447684087807950938908,
 1983038000428208822539998,
 105080571577382659860160800]