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A141522 as a simple table

na(n)
10
21
31
41
52
64
712
872
91152
1096768
11118444032
1211598039613440
131374840894208868352000
1415945621994910596019667697926144000
1521922693387137438627357958684974264478793362424463360000

[0,1,1,1,2,4,12,72,1152,96768,118444032,
 11598039613440,1374840894208868352000,
 15945621994910596019667697926144000,
 21922693387137438627357958684974264478793362424463\
 360000]