A062596 Numbers k such that 30^k - 29^k is prime.

2, 149, 283, 853, 1741, 4831, 8867

Offset

1,1

Comments

Terms > 1000 are often only strong pseudoprimes.

a(8) > 10^5. - Robert Price, Oct 23 2012

Links

Table of n, a(n) for n=1..7.

Prog

(PARI) is(n)=ispseudoprime(30^n-29^n) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

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

Sequence in context: A177319 A333495 A175974 * A142415 A068987 A273047

Adjacent sequences: A062593 A062594 A062595 * A062597 A062598 A062599

Keyword

nonn,hard

Author

Mike Oakes, May 18 2001, May 19 2001

Status

approved