[1,1,2,10,40,296,1576,15352,104000,1276480, 10556416,156843776,1533722752,26777626240, 302395339520,6068829396736,77740741758976, 1763457842941952,25267740818452480, 639308368122204160,10131932297407840256, 282891828731667890176]