A162714 Primes p such that 3^p-2^(p+1) is also prime.

3, 5, 7, 31, 59, 97, 2341, 4817, 9059, 14327

Offset

1,1

Comments

The associated 3^p-2^(p+1) are in A162715.

Links

Table of n, a(n) for n=1..10.

Example

The prime p=3 is in the sequence because 3^3-2^4=11 is prime.
The prime p=5 is in the sequence because 3^5-2^6=179 is prime.

Crossrefs

Cf. A162715.

Sequence in context: A270269 A247104 A006378 * A359044 A002396 A302099

Adjacent sequences: A162711 A162712 A162713 * A162715 A162716 A162717

Keyword

nonn

Author

Vincenzo Librandi, Jul 11 2009

Extensions

Definition simplified, one term added by R. J. Mathar, Aug 02 2009

a(8)-a(10) from Michael S. Branicky, May 25 2023

Status

approved