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A065140 as a simple table

na(n)
01
14
296
35760
4645120
5116121600
630656102400
711158821273600
85356234211328000
93278015337332736000
102491291656372879360000
112301953490488540528640000
122541356653499348743618560000

[1,4,96,5760,645120,116121600,30656102400,
 11158821273600,5356234211328000,
 3278015337332736000,2491291656372879360000,
 2301953490488540528640000,
 2541356653499348743618560000]