[0,1,2,6,14,33,77,174,389,860,1885,4098,8853, 19020,40668,86593,183698,388421,818892,1721884, 3611968,7560337,15793474,32932549,68556300, 142495004,295754816,613039248,1269137729, 2624393922,5421024773,11186523404,23061994524]