[0,0,1,1,2,4,4,5,5,6,8,8,9,9,13,13,14,14,15,17,17, 18,18,19,21,21,22,22,26,26,27,27,28,30,30,31,31, 32,34,34,35,35,41,41,42,42,43,45,45,46,46,47,49, 49,50,50,54,54,55,55,56,58,58,59,59,60,62,62,63, 63,67,67,68,68,69]