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A172589 as a simple table

na(n)
1113400
21371785398200
346764764308702440000
42532230252503738514963235000
5178394712594906480448637769546038400
614896749360215409445279324463510987496360000

[113400,1371785398200,46764764308702440000,
 2532230252503738514963235000,
 178394712594906480448637769546038400,
 14896749360215409445279324463510987496360000]