[0,0,1,1,2,3,3,4,5,5,6,7,8,8,9,10,11,11,12,13,14, 15,15,16,17,18,19,19,20,21,22,23,24,24,25,26,27, 28,29,29,30,31,32,33,34,35,35,36,37,38,39,40,41, 41,42,43,44,45,46,47,48,48,49,50,51,52,53,54,55, 55,56,57,58,59]