[0,0,1,2,4,7,12,21,38,69,126,234,437,825,1565, 2982,5710,10967,21138,40842,79099,153510,298435, 581095,1133110,2212231,4324045,8460649,16570079, 32480219,63717408,125088092,245735287,483050536, 950104880]