[1,2,10,60,404,2912,21984,171600,1373680,11215776, 93039648,781936896,6643741440,56973685760, 492482782208,4286561051904,37536888622848, 330471001126400,2923338431270400, 25970490200202240,231607762146309120, 2072719382680535040]