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A279234 as a simple table

na(n)
01
16
272
32160
4362880
51209600
61437004800
7784604620800
8188305108992000
919207121117184000
101990556188508160000
1110116006549998469120000
1225267129482349117440000
1310888869450418352160768000000
14914665033835141581504512000000

[1,6,72,2160,362880,1209600,1437004800,
 784604620800,188305108992000,19207121117184000,
 1990556188508160000,10116006549998469120000,
 25267129482349117440000,
 10888869450418352160768000000,
 914665033835141581504512000000]