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A174270 Primes p such that 17^p-16 is also prime. 0
11, 127, 149 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..3.

FORMULA

A034922 INTERSECT A000040. [From R. J. Mathar, Jul 06 2010]

EXAMPLE

For p=11, 17^11-16=34271896307617;

p=127, 17^127-16=184932403913226983885781364136283492930734812\

62859989336084585513524548438695021603661324497487874\

32695987077039664612181399115898708880371\

971190911115999457 (end)

PROG

(MAGMA) [ p: p in PrimesUpTo(2000)| IsPrime(17^p-16)]

CROSSREFS

Sequence in context: A015597 A296732 A156970 * A333244 A141987 A048394

Adjacent sequences:  A174267 A174268 A174269 * A174271 A174272 A174273

KEYWORD

nonn,bref

AUTHOR

Vincenzo Librandi, Mar 14 2010

STATUS

approved

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Last modified July 5 01:22 EDT 2020. Contains 335457 sequences. (Running on oeis4.)