[0,0,1,1,1,2,3,4,4,4,4,5,5,5,6,7,8,8,9,10,10,11, 12,12,12,12,13,13,13,14,14,14,15,16,17,17,17,17, 18,18,18,19,20,21,21,22,23,23,24,25,25,25,25,26, 27,28,28,29,30,30,30,30,31,32,33,33,34,35,35,35, 35,36,36,36,37,37,37,38,39,40,40]