A106083 Primes p such that 5*p + 16 and 16*p + 5 are primes.

3, 11, 17, 23, 47, 53, 89, 101, 149, 191, 227, 233, 317, 359, 383, 419, 467, 479, 503, 569, 647, 773, 797, 887, 941, 971, 983, 1217, 1259, 1439, 1493, 1733, 1787, 1907, 2063, 2267, 2357, 2417, 2447, 2579, 2621, 2753, 2909, 3089, 3191, 3209, 3323, 3329

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Mathematica

Select[Prime[Range[220]], PrimeQ[16#+5]&&PrimeQ[5#+16]&]

Prog

(Magma) [p: p in PrimesUpTo(10000)| IsPrime(5*p+16) and IsPrime(16*p+5)]; // Vincenzo Librandi, Nov 13 2010

Crossrefs

Sequence in context: A079020 A118590 A136082 * A113803 A226423 A045431

Adjacent sequences: A106080 A106081 A106082 * A106084 A106085 A106086

Keyword

nonn

Author

Zak Seidov, May 07 2005

Extensions

More terms from Vincenzo Librandi, Apr 01 2010

Status

approved