[1,4,16,60,225,840,3136,11704,43681,163020,608400, 2270580,8473921,31625104,118026496,440480880, 1643897025,6135107220,22896531856,85451020204, 318907548961,1190179175640,4441809153600, 16577057438760,61866420601441,230888624967004]