[1,1,3,1,1,7,1,3,7,15,1,1,1,5,31,1,3,7,15,31,63,1, 1,7,1,31,21,127,1,3,1,15,31,9,127,255,1,1,7,5,1, 21,127,85,511,1,3,7,15,31,63,127,255,511,1023,1,1, 1,1,31,1,127,17,73,341,2047,1,3,7,15,31,63]