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A106080 Primes p such that 5*p+8 and 8*p+5 are primes. 0
3, 7, 13, 19, 43, 103, 127, 211, 223, 241, 283, 349, 397, 421, 439, 727, 733, 787, 829, 853, 883, 1597, 1723, 1741, 1777, 2017, 2131, 2287, 2371, 2383, 2521, 2593, 2833, 2857, 3163, 3181, 3253, 3319, 3571, 3583, 3697, 3853, 3919, 3967, 4003, 4021, 4201 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

FORMULA

A023220 INTERSECT A023230. - R. J. Mathar, Aug 06 2009

MATHEMATICA

Select[Prime[Range[220]], PrimeQ[8#+5]&&PrimeQ[5#+8]&]

PROG

(MAGMA) [p: p in PrimesUpTo(10000)| IsPrime(5*p+8) and IsPrime(8*p+5)] // Vincenzo Librandi, Nov 13 2010

CROSSREFS

Sequence in context: A134765 A023230 A194581 * A187819 A310266 A014283

Adjacent sequences:  A106077 A106078 A106079 * A106081 A106082 A106083

KEYWORD

nonn

AUTHOR

Zak Seidov, May 07 2005

EXTENSIONS

More terms from Vincenzo Librandi, Apr 01 2010

STATUS

approved

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Last modified July 20 22:54 EDT 2019. Contains 325189 sequences. (Running on oeis4.)