[0,1,1,3,2,1,3,7,4,9,1,11,6,13,7,3,8,17,9,19,2,21, 11,23,12,5,13,27,14,29,3,31,16,33,17,7,18,37,19, 39,4,41,21,43,22,9,23,47,24,49,5,51,26,53,27,11, 28,57,29,59,6,61,31,63,32,13,33,67,34,69,7,71,36, 73,37,15,38,77,39]