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A009287 as a simple table

na(n)
13
24
36
412
560
65040
7293318625600
8670059168204585168371476438927421112933837297640990904154667968000000000000

[3,4,6,12,60,5040,293318625600,
 67005916820458516837147643892742111293383729764099\
 0904154667968000000000000]