[1,0,1,0,-1,1,0,1,-2,1,0,-1,3,-3,1,0,1,-4,6,-4,1, 0,-1,5,-9,10,-5,1,0,1,-6,12,-16,15,-6,1,0,-1,7, -15,19,-25,21,-7,1,0,1,-8,18,-16,20,-36,28,-8,1,0, -1,9,-21,4,24,6,-49,36,-9,1]