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A277001 as a simple table

na(n)
01
124
25760
32903040
41393459200
5367873228800
624103053950976000
7115694658964684800
89440684171518279680000
9271211974879377138647040000
103579998068407778230140928000000
111976158933761093583037792256000000
12258955866680053703121272297226240000000

[1,24,5760,2903040,1393459200,367873228800,
 24103053950976000,115694658964684800,
 9440684171518279680000,
 271211974879377138647040000,
 3579998068407778230140928000000,
 1976158933761093583037792256000000,
 258955866680053703121272297226240000000]