[0,1,4,15,59,243,1034,4501,19920,89281,404184, 1844789,8477571,39183625,182010366,849115811, 3976405347,18684473203,88060677880,416162484693, 1971567963673,9361218368921,44539107835094, 212308063827055,1013779444844754,4848597239921803]