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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 STATUS approved

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