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A052625 as a simple table

na(n)
01
10
20
36
448
5360
63600
745360
8645120
910160640
10177811200
113432844800
1272329241600
131650160512000
1440537905408000
151067062284288000
1629961435119616000
17893842506805248000
1828234468042260480000

[1,0,0,6,48,360,3600,45360,645120,10160640,
 177811200,3432844800,72329241600,1650160512000,
 40537905408000,1067062284288000,29961435119616000,
 893842506805248000,28234468042260480000]