A062665 Numbers k such that 99^k - 98^k is prime.

2, 709

Offset: 1

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

• nonn
• hard
• bref

Comments

a(3) > 20000. - Derek Orr, Sep 03 2014

Terms must be prime. - Derek Orr, Sep 03 2014

a(3) > 10^5. - Robert Price, Mar 22 2015

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

PARI

is(n)=ispseudoprime(99^n-98^n) \\ Charles R Greathouse IV, Sep 04 2014