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A051431 as a simple table

na(n)
01
111
2132
31716
424024
5360360
65765760
798017920
81764322560
933522128640
10670442572800
1114079294028800
12309744468633600
137124122778572800
14170978946685747200
154274473667143680000
16111136315345735680000
173000680514334863360000
1884019054401376174080000

[1,11,132,1716,24024,360360,5765760,98017920,
 1764322560,33522128640,670442572800,
 14079294028800,309744468633600,7124122778572800,
 170978946685747200,4274473667143680000,
 111136315345735680000,3000680514334863360000,
 84019054401376174080000]