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A261457 as a simple table

na(n)
11
24
3114
45016
539916680
66227020080
7355687428090960
8121645100408791680
925852016738884976277120
108841761993739701954543612371200
118222838654177922817725562840083200
1213763753091226345046315979581580901920998400

[1,4,114,5016,39916680,6227020080,355687428090960,
 121645100408791680,25852016738884976277120,
 8841761993739701954543612371200,
 8222838654177922817725562840083200,
 13763753091226345046315979581580901920998400]