[0,15,91,381,1375,4605,14791,46341,142975,436845, 1326391,4010901,12096175,36415485,109500391, 329009061,988042975,2966160525,8902544791, 26715760821,80163535375,240523111965,721634347591, 2165033066181,6495359245375,19486597829805, 58460833676791]