[1,2,8,24,71,198,541,1452,3862,10208,26885,70644, 185369,485982,1273420,3335640,8735707,22875050, 59895221,156819960,410579786,1074943872, 2814291433,7367994504,19289795761,50501560538, 132215157296,346144350552,906218605007]