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A106015 Primes p such that 4*p +- 3 are primes. 5
2, 5, 11, 19, 59, 89, 109, 149, 151, 331, 359, 389, 401, 439, 499, 521, 571, 599, 829, 941, 1019, 1039, 1129, 1249, 1279, 1319, 1381, 1451, 1669, 1741, 1871, 2131, 2161, 2179, 2251, 2459, 2819, 3119, 3251, 3469, 3539, 3581, 3659, 3911, 4001, 4231, 4261 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

A023213 INTERSECT A157978. - R. J. Mathar, Jul 25 2009

MATHEMATICA

Select[Prime[Range[400]], PrimeQ[4#+3]&&PrimeQ[4#-3]&]

PROG

(MAGMA) [p: p in PrimesUpTo(100000)| IsPrime(4*p-3) and IsPrime(4*p+3)]; // Vincenzo Librandi, Nov 13 2010

CROSSREFS

Sequence in context: A097008 A276591 A051653 * A178316 A179632 A093871

Adjacent sequences:  A106012 A106013 A106014 * A106016 A106017 A106018

KEYWORD

nonn

AUTHOR

Zak Seidov, May 05 2005

STATUS

approved

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Last modified August 23 22:45 EDT 2019. Contains 326254 sequences. (Running on oeis4.)