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A219024 as a simple table

na(n)
01
12
23
36
416
548
6180
7720
83456
917280
10100800
11604800
124147200
1329030400
14228614400
151828915200
1616257024000
17146313216000
181448500838400
1914485008384000
20158018273280000
211738201006080000
2220713561989120000
23248562743869440000
243212195459235840000

[1,2,3,6,16,48,180,720,3456,17280,100800,604800,
 4147200,29030400,228614400,1828915200,16257024000,
 146313216000,1448500838400,14485008384000,
 158018273280000,1738201006080000,
 20713561989120000,248562743869440000,
 3212195459235840000]