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A144578 as a simple table

na(n)
01
12
24
348
4384
51920
646080
7129024
81032192
9185794560
103715891200
1140874803200
1278479622144
1310202350878720
1464924051046400
1542849873690624000
161371195958099968000
174662066257539891200
18335668770542872166400
195797915127558701056000

[1,2,4,48,384,1920,46080,129024,1032192,185794560,
 3715891200,40874803200,78479622144,10202350878720,
 64924051046400,42849873690624000,
 1371195958099968000,4662066257539891200,
 335668770542872166400,5797915127558701056000]