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A004205 as a simple table

na(n)
21
33
48
525
6108
7735
84608
940824
10362000
113628185
1240766976
13478988081
146227101888
1587146087625
161300561920000
1720922788404479
18355737629952000
196402373698206889
20121810906419200000
212432822933484213543
2251090942172652090368
231124000727778962143055

[1,3,8,25,108,735,4608,40824,362000,3628185,
 40766976,478988081,6227101888,87146087625,
 1300561920000,20922788404479,355737629952000,
 6402373698206889,121810906419200000,
 2432822933484213543,51090942172652090368,
 1124000727778962143055]