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A185560 as a simple table

na(n)
11
260
350580
4598507920
599407416968000
6231753101877188629380
77583858300260627032845531520
83483475434832751291309593655505225600
922459143127863154464679826472043109609252549520

[1,60,50580,598507920,99407416968000,
 231753101877188629380,
 7583858300260627032845531520,
 3483475434832751291309593655505225600,
 22459143127863154464679826472043109609252549520]