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A279240 as a simple table

na(n)
01
14
224
32880
440320
57257600
6479001600
7697426329600
820922789888000
9261321375744000
10221172909834240000
114496002911110430720000
12620448401733239439360000
13806582922253211271168000000
14304888344611713860501504000000
154244045756995056938180935680000000

[1,4,24,2880,40320,7257600,479001600,697426329600,
 20922789888000,261321375744000,221172909834240000,
 4496002911110430720000,620448401733239439360000,
 806582922253211271168000000,
 304888344611713860501504000000,
 4244045756995056938180935680000000]