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A370753 as a simple table

na(n)
01
11
24
336
4576
512800
6360000
712192768
8481890304
921743271936
101101996057600
1161952000000000
123824628881965056
13257164113195565056
1418704075505689706496
151462975070062038220800
16122444006400000000000000
1710918111308394619734065152
181033255398127440061257744384

[1,1,4,36,576,12800,360000,12192768,481890304,
 21743271936,1101996057600,61952000000000,
 3824628881965056,257164113195565056,
 18704075505689706496,1462975070062038220800,
 122444006400000000000000,
 10918111308394619734065152,
 1033255398127440061257744384]