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A023219 Primes p such that 5p+6 is a prime. 9
5, 7, 11, 13, 19, 29, 37, 41, 47, 53, 61, 79, 83, 97, 103, 107, 113, 127, 131, 137, 139, 149, 151, 163, 181, 193, 197, 211, 229, 233, 239, 257, 263, 271, 293, 313, 347, 359, 373, 379, 389, 401, 421, 431, 443, 449, 461, 467, 487, 503, 509, 523, 541, 547, 557, 569, 571, 593 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988

Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, CittaStudiEdizioni, Milano 1997

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

J. Chavoya, A. Lucero, S. Reynolds, On p-adic valuations of the generalized Fibonacci sequences, in MSRI-UP Research Reports, 2014, pp. 91-109.

MATHEMATICA

Select[Prime[Range[200]], PrimeQ[5#+6]&] (* Harvey P. Dale, Jul 27 2011 *)

PROG

(MAGMA) [p: p in PrimesUpTo(200)| IsPrime(5*p+6)]; // Vincenzo Librandi, Nov 20 2010

CROSSREFS

Subset of A081759.

Cf. A090161, A088555, A088561.

Sequence in context: A152468 A267945 A088664 * A045438 A176579 A154275

Adjacent sequences:  A023216 A023217 A023218 * A023220 A023221 A023222

KEYWORD

nonn,easy

AUTHOR

David W. Wilson

STATUS

approved

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Last modified September 18 16:40 EDT 2020. Contains 337170 sequences. (Running on oeis4.)