[0,0,0,1,2,2,3,4,4,5,6,6,7,8,8,9,10,11,11,12,13, 14,14,15,16,17,18,18,19,20,21,21,22,23,24,25,25, 26,27,28,29,29,30,31,32,33,33,34,35,36,37,38,38, 39,40,41,42,43,43,44,45]