[0,1,1,1,2,2,4,7,15,30,68,146,340,786,1878,4507, 11045,27220,67956,170766,432818,1103539,2831814, 7303966,18934866,49302321,128910528,338329555, 891099316,2354613762,6240696052,16587146598, 44203851675,118093003229]