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A155778 Primes p such that 2^p + p + 6 is also prime. 0
3, 5, 23, 83, 239, 66029 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The next term (if it exists) is greater than 20000. - Dmitry Kamenetsky, Feb 06 2009
LINKS
MATHEMATICA
Select[Prime[Range[1000]], PrimeQ[(2^# + # + 6)]&] (* Vincenzo Librandi, Oct 30 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(1000)| IsPrime(2^p + p +6)]; // Vincenzo Librandi, Oct 30 2012
CROSSREFS
Sequence in context: A066411 A153410 A230080 * A209028 A178068 A018978
KEYWORD
nonn,more
AUTHOR
Vincenzo Librandi, Jan 27 2009
EXTENSIONS
a(5) from Dmitry Kamenetsky, Feb 06 2009
a(6) from Michael S. Branicky, Jan 30 2023
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)