A106081 Primes p such that 5*p + 12 and 12*p + 5 are both primes.

7, 11, 19, 23, 29, 37, 43, 53, 67, 71, 107, 113, 157, 173, 179, 191, 241, 257, 271, 337, 353, 367, 373, 401, 439, 487, 491, 509, 521, 557, 569, 631, 691, 709, 773, 857, 877, 907, 911, 991, 1013, 1031, 1093, 1103, 1109, 1129, 1171, 1277, 1283

Offset

1,1

Links

Michael De Vlieger, Table of n, a(n) for n = 1..10000

Mathematica

Select[Prime[Range[220]], PrimeQ[12#+5]&&PrimeQ[5#+12]&]

Prog

(Magma) [p: p in PrimesUpTo(1500)|IsPrime(5*p+12) and IsPrime(12*p+5)] // Vincenzo Librandi, Jan 30 2011

Crossrefs

Sequence in context: A131192 A195759 A130570 * A329857 A168489 A329979

Adjacent sequences: A106078 A106079 A106080 * A106082 A106083 A106084

Keyword

nonn

Author

Zak Seidov, May 07 2005

Status

approved