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A084944 as a simple table

na(n)
01
11
211
3330
419140
51818300
6256380300
750250538800
813065140088000
94350691649304000
101805537034461160000
11913601739437346960000
12553642654099032257760000
13395854497680808064298400000

[1,1,11,330,19140,1818300,256380300,50250538800,
 13065140088000,4350691649304000,
 1805537034461160000,913601739437346960000,
 553642654099032257760000,
 395854497680808064298400000]