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A247859 as a simple table

na(n)
01
12
232
35120
49175040
5197300060160
653337309063413760
7187446932178571288903680
88783433335287216312557974323200
95597436690584888372318289416604667084800
1049290698636690081763273206158480893991348233830400
116076713947745931800683801366458443411856602743866957548748800

[1,2,32,5120,9175040,197300060160,
 53337309063413760,187446932178571288903680,
 8783433335287216312557974323200,
 5597436690584888372318289416604667084800,
 49290698636690081763273206158480893991348233830400\
 ,
 60767139477459318006838013664584434118566027438669\
 57548748800]