First numbers that belong to both sets:
21,
43,
85,
341,
1365,
5461,
21845,
87381,
349525,
1398101,
5592405,
22369621,
89478485,
357913941,
1431655765,
5726623061,
22906492245,
91625968981,
366503875925,
1466015503701,
5864062014805,
23456248059221,
93824992236885,
375299968947541.