[1,1,2,6,16,42,104,252,592,1370,3112,6996,15536, 34244,74832,162616,351136,754938,1615208,3443940, 7314928,15493676,32714992,68918856,144815456, 303703972,635554064,1327816392,2769049312, 5766417480,11989472672,24897569648]