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.

A062589 Numbers k such that 23^k - 22^k is prime, or a strong pseudoprime.

Original entry on oeis.org

229, 241, 673, 5387, 47581
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 often correspond to "unproven" strong pseudoprimes.
a(6) > 10^5. - Robert Price, Aug 22 2012

Crossrefs

Extensions

a(5) from Robert Price, Aug 22 2012
Edited by M. F. Hasler, Sep 21 2013