[1,5,55,485,4380,39570,421800,4265100,49455000,
594001800,7784683200,107814672000,1624964544000,
25881953328000,443107288512000,8028628336512000,
154539996629760000,3135393617489280000,
67045955961922560000,1503619681171829760000,
35321502985569884160000]
|