[2,5,14,54,264,1560,10800,85680,766080,7620480, 83462400,997920000,12933043200,180583603200, 2702527027200,43153254144000,732297646080000, 13160434839552000,249692574523392000, 4987449116762112000,104614786351595520000, 2299092397726924800000]