[1,0,0,1,1,3,7,16,40,98,246,624,1596,4120,10708, 28009,73673,194743,517067,1378365,3687665,9898417, 26649117,71943947,194717215,528236599,1436122339, 3912244667,10677558423,29192753795,79944089343, 219261036592,602226736360]