login
A057612
Numbers that are both Mersenne numbers (A001348) and lucky numbers (A000959).
0
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
CROSSREFS
Sequence in context: A006515 A093535 A081093 * A136005 A336720 A183077
KEYWORD
nonn,more
AUTHOR
Naohiro Nomoto, Oct 09 2000
EXTENSIONS
More terms from Mark Weston (mweston(AT)uvic.ca), Oct 10 2001
STATUS
approved