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A184388 as a simple table

na(n)
11
26
324
45040
5720
6479001600
740320
81307674368000
96227020800
106402373705728000
11479001600
12304888344611713860501504000000
1387178291200
14620448401733239439360000
15620448401733239439360000
168222838654177922817725562880000000
176402373705728000

[1,6,24,5040,720,479001600,40320,1307674368000,
 6227020800,6402373705728000,479001600,
 304888344611713860501504000000,87178291200,
 620448401733239439360000,620448401733239439360000,
 8222838654177922817725562880000000,
 6402373705728000]