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A354378 as a simple table

na(n)
01
12
224
3720
48064
53628800
6479001600
787178291200
820922789888000
91280474741145600
102432902008176640000
111124000727777607680000
12620448401733239439360000
13403291461126605635584000000
1460977668922342772100300800000
151569543549184562477137920000000

[1,2,24,720,8064,3628800,479001600,87178291200,
 20922789888000,1280474741145600,
 2432902008176640000,1124000727777607680000,
 620448401733239439360000,
 403291461126605635584000000,
 60977668922342772100300800000,
 1569543549184562477137920000000]