[0,1,1,3,2,5,3,7,4,9,5,11,6,13,7,15,8,17,9,19,10, 21,11,23,12,25,13,27,14,29,15,31,16,33,17,35,18, 37,19,39,20,41,21,43,22,45,23,47,24,49,25,51,26, 53,27,55,28,57,29,59,30,61,31,63,32,65,33,67,34, 69,35,71,36,73,37,75,38]