[0,1,3,14,68,358,1966,11172,65104,387029,2337919, 14309783,88555917,553171371,3483277785, 22087378303,140913963221,903876307075, 5825742149049,37710582868464,245052827645474, 1598017940728401,10454217006683855, 68591382498826168]