[1,3,2,3,7,4,5,11,6,7,15,8,9,19,10,11,23,12,13,27, 14,15,31,16,17,35,18,19,39,20,21,43,22,23,47,24, 25,51,26,27,55,28,29,59,30,31,63,32,33,67,34,35, 71,36,37,75,38,39,79,40]