A106072 - OEIS

A106072

Primes p such that 3*p + 16 and 16*p + 3 are primes.

5, 19, 29, 31, 41, 59, 89, 131, 199, 251, 271, 379, 509, 619, 691, 829, 929, 1021, 1049, 1109, 1181, 1231, 1259, 1489, 1511, 1721, 1811, 1951, 1979, 2269, 2311, 2351, 2551, 2749, 2801, 2861, 2969, 3011, 3109, 3209, 3221, 3331, 3499, 3541, 3571, 3631, 3701

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OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Prime[Range[220]], PrimeQ[16#+3]&&PrimeQ[3#+16]&]

PROG

(Magma) [p: p in PrimesUpTo(10000)| IsPrime(3*p+16) and IsPrime(16*p+3)]; // Vincenzo Librandi, Nov 13 2010

CROSSREFS

Sequence in context: A061388 A299539 A270865 * A106062 A161891 A296930

Adjacent sequences: A106069 A106070 A106071 * A106073 A106074 A106075