[0,1,1,2,2,3,3,4,4,6,5,6,6,7,7,15,8,9,9,10,10,21, 11,12,12,15,13,18,14,15,15,16,16,33,17,35,18,19, 19,39,20,21,21,22,22,45,23,24,24,28,25,51,26,27, 27,55,28,57,29,30,30,31,31,63,32,65,33,34,34,69, 35,36,36,37,37,75,38,77,39,40,40]