[4,8,48,400,3920,42336,487872,5889312,73616400, 945561760,12412647104,165878102208,2249987591488, 30906422960000,429157758816000,6015361252737600, 85011208292365200,1210159553338375200, 17338543308064440000,249857534618318088000]