A140383 - OEIS

A140383

Prime triples of the form p, 2^p -1, 2^(2^p)+1 derived from a single prime p.

2, 3, 17, 3, 7, 257

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

List is probably complete (see comments in A000215, A019434).

LINKS

EXAMPLE

(2,3,17) is a triple of 3 primes 2, 2^2-1, 2^4+1.

CROSSREFS

KEYWORD

nonn,less

AUTHOR

EXTENSIONS

Edited by R. J. Mathar, Jun 16 2008

STATUS

approved