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A112228 as a simple table

na(n)
13
215
3120
41080
514040
6196560
73931200
882555200
91981324800
1049533120000
111585059840000
1252306974720000
131778437140480000
1465802174197760000
152500482619514880000
16112521717878169600000
175401042458152140800000

[3,15,120,1080,14040,196560,3931200,82555200,
 1981324800,49533120000,1585059840000,
 52306974720000,1778437140480000,65802174197760000,
 2500482619514880000,112521717878169600000,
 5401042458152140800000]