[1,1,3,1,6,15,1,9,42,112,1,12,81,377,1128,1,15, 132,855,4248,14373,1,18,195,1606,10758,58269, 221952,1,21,270,2690,22416,159633,947117,4029915, 1,24,357,4167,41340,359616,2750067,17848872, 84135510,1,27,456,6097]