[0,1,3,8,20,41,80,153,271,469,795,1305,2102,3336, 5190,7968,12090,18104,26821,39371,57220,82472, 117958,167405,235945,330425,459803,636142,875307, 1197983,1631470,2211377,2983695,4008386,5362831, 7146335,9486834,12548085,16538651]