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A106024 Primes p such that 28*p +/- 3, 38*p +/- 3 and 58*p +/- 3 are all primes. 0
104597, 648007, 855467, 896647, 1230337, 2307407, 2629547, 2884787, 4116823, 5526133, 6509143, 10446817, 11745017, 14962517, 16421297, 16632997, 20242127, 21919517, 22687823, 23076623, 26731807, 26743237, 26881193, 27504187 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

MATHEMATICA

Select[Prime[Range[400000]], PrimeQ[28#+3]&&PrimeQ[28#-3]&&PrimeQ[38#+3]&&PrimeQ[38#-3]&&PrimeQ[58#+3]&&PrimeQ[58#-3]&]

Select[Prime[Range[1800000]], And@@PrimeQ[{28#+3, 28#-3, 38#+3, 38#-3, 58#+3, 58#-3}]&] (* Harvey P. Dale, Apr 21 2014 *)

PROG

(MAGMA) [p: p in PrimesUpTo(100000000)| IsPrime(28*p+3) and IsPrime(28*p-3)and IsPrime(38*p-3) and IsPrime(38*p+3) and IsPrime(58*p-3) and IsPrime(58*p+3)] [From Vincenzo Librandi, Nov 13 2010]

CROSSREFS

Sequence in context: A235005 A231143 A233857 * A174293 A186877 A138165

Adjacent sequences:  A106021 A106022 A106023 * A106025 A106026 A106027

KEYWORD

nonn

AUTHOR

Zak Seidov, May 05 2005

STATUS

approved

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Last modified October 25 17:33 EDT 2014. Contains 248557 sequences.