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A143001 as a simple table

na(n)
00
11
215
3391
414900
5770596
651695280
74358885616
8451036788480
956192122503936
108297504007091200
111433159145783936000
12286297057932974899200
1365505120288597559296000

[0,1,15,391,14900,770596,51695280,4358885616,
 451036788480,56192122503936,8297504007091200,
 1433159145783936000,286297057932974899200,
 65505120288597559296000]