A057612 Numbers that are both Mersenne numbers (A001348) and lucky numbers (A000959).

3, 7, 31, 127, 8191, 131071, 524287, 8388607

Offset

1,1

Comments

a(9) > 2^31 - 1 (by exhaustive search). - Jon Maiga, Jan 17 2019

Links

Table of n, a(n) for n=1..8.

Crossrefs

Cf. A000959, A001348.

Sequence in context: A006515 A093535 A081093 * A136005 A336720 A183077

Adjacent sequences: A057609 A057610 A057611 * A057613 A057614 A057615

Keyword

nonn,more

Author

Naohiro Nomoto, Oct 09 2000

Extensions

More terms from Mark Weston (mweston(AT)uvic.ca), Oct 10 2001

Status

approved