A062616 Numbers k such that 50^k - 49^k is a prime.

3, 31, 67, 197, 2473, 2477, 35899

Offset

1,1

Comments

Terms greater than 1000 are often only strong pseudoprimes.

a(8) > 10^5. - Robert Price, Dec 03 2012

Links

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

Crossrefs

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

Sequence in context: A050833 A041207 A133203 * A289733 A244916 A031916

Adjacent sequences: A062613 A062614 A062615 * A062617 A062618 A062619

Keyword

nonn,hard

Author

Mike Oakes, May 18 2001, May 19 2001

Extensions

a(7) from Robert Price, Dec 03 2012

Status

approved