[0,2,6,18,44,110,252,588,1304,2934,6380,14036, 30120,65260,138712,297240,627248,1332902,2796876, 5904516,12333320,25899972,53897096,112693928, 233776464,487034300,1007623032,2092755528, 4319728784,8948009624,18432890160,38094639664]