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A155779 Primes p such that 2^(p-1)+7 is prime. 0
3, 5, 7, 11, 17, 19, 29, 31, 79, 89, 127, 1889, 3511, 8971, 13331 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Primes of the form 1+A057195(k). [R. J. Mathar, Feb 19 2009]
LINKS
MATHEMATICA
Select[Prime[Range[15000]], PrimeQ[(2^(# - 1) + 7)] &] (* Vincenzo Librandi, Jun 24 2013 *)
CROSSREFS
Sequence in context: A155489 A194099 A045396 * A337815 A235476 A349638
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Jan 27 2009
STATUS
approved

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Last modified May 25 04:23 EDT 2024. Contains 372782 sequences. (Running on oeis4.)