A139385 Primes p such that p, p+4 and p+12 are consecutive primes.

397, 487, 739, 757, 907, 1567, 1999, 2239, 2269, 2659, 3037, 3217, 3697, 3877, 5167, 5569, 5689, 5779, 6199, 6217, 6469, 6829, 7669, 7687, 8089, 8167, 8677, 8929, 10099, 10627, 11239, 11317, 11677, 12277, 12409, 13147, 13159, 14407, 14419, 14767

Offset: 1

Author

Zak Seidov, Apr 17 2008

Keywords

• nonn

Comments

Subset of A046137.

Subsequence of A029710. - R. J. Mathar, May 06 2017

Links

• Zak Seidov, Table of n, a(n) for n = 1..1000.

Crossrefs

Cf. A046137.

Programs

Mathematica

Select[Partition[Prime[Range[2000]],3,1],Differences[#]=={4,8}&][[All,1]] (* Harvey P. Dale, Apr 02 2017 *)

PARI

isok(p) = isprime(p) && (nextprime(p+1) == p+4) && (nextprime(p+5) == p+12); \\ Michel Marcus, Oct 13 2013