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