cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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

Original entry on oeis.org

3, 7, 31, 127, 8191, 131071, 524287, 8388607
Offset: 1

Views

Author

Naohiro Nomoto, Oct 09 2000

Keywords

Comments

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

Crossrefs

Extensions

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