[1,1,2,4,10,23,63,155,448,1151,3450,9137,28134, 76236,239712,661374,2115046,5921549,19203568, 54422726,178585838,511343777,1694965469, 4896195579,16371992897,47656781437,160578870274, 470571482142,1596323368095,4705798878362, 16059653893209]