A254497 - OEIS

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A254497 as a simple table

n	a(n)
1	20872192
2	1607095232
3	109168144000
4	8174961189248
5	565727609862912
6	39860323285338752
7	2791393651770044928
8	195878395284494809216
9	13694364784954747518720
10	959682172861348320136576

[20872192,1607095232,109168144000,8174961189248, 565727609862912,39860323285338752, 2791393651770044928,195878395284494809216, 13694364784954747518720,959682172861348320136576]