[1,4,18,53,163,414,1059,2431,5553,11844,25013, 50391,100362,193136,367371,680705,1247247,2238408, 3975218,6941384,12003156,20465599,34581525, 57737205,95601892,156665029,254777220,410580026, 657015874]