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A120585 as a simple table

na(n)
11
212
3120
41260
510080
6110880
71081080
810810800
9110270160
101102701600
1110475665200
12128501493120
131124388064800
1413492656777600
15130429015516800
161010824870255200
1710108248702552000
18106858629141264000

[1,12,120,1260,10080,110880,1081080,10810800,
 110270160,1102701600,10475665200,128501493120,
 1124388064800,13492656777600,130429015516800,
 1010824870255200,10108248702552000,
 106858629141264000]