[1,1,7,5,31,7,127,85,511,341,2047,455,8191,5461, 32767,21845,131071,29127,524287,349525,2097151, 1398101,8388607,1864135,33554431,22369621, 134217727,89478485,536870911,119304647,2147483647, 1431655765,8589934591,5726623061,34359738367, 7635497415]