[0,0,1,0,1,0,1,0,1,4,0,1,3,4,0,1,2,4,0,1,4,0,1,4, 7,0,1,4,5,6,9,0,1,3,4,5,9,0,1,4,9,0,1,3,4,9,10,12, 0,1,2,4,7,8,9,11,0,1,4,6,9,10,0,1,4,9,0,1,2,4,8,9, 13,15,16,0,1,4,7,9,10,13,16,0,1,4,5,6,7,9,11,16, 17,0,1,4,5,9]