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A048604 as a simple table

na(n)
01
16
2120
31680
4362880
57983360
66227020800
7186810624000
8355687428096000
9121645100408832000
1051090942171709440000
11213653030899875840000
121723467782592331776000000
1364431180179990249472000000

[1,6,120,1680,362880,7983360,6227020800,
 186810624000,355687428096000,121645100408832000,
 51090942171709440000,213653030899875840000,
 1723467782592331776000000,
 64431180179990249472000000]