[2,14,64,284,1206,4882,19060,72588,271548,1001964, 3656480,13223348,47461350,169263658,600355808, 2119297852,7450253362,26095036854,91102304600, 317127751352,1101029901244,3813576283628, 13180379580636,45463936339816]