

A157975


Primes p such that 16*p + 15 is also prime.


4



2, 7, 11, 13, 23, 29, 37, 53, 61, 67, 71, 79, 89, 97, 103, 109, 113, 131, 137, 139, 149, 167, 179, 197, 211, 223, 257, 277, 293, 313, 317, 337, 379, 383, 397, 419, 431, 439, 443, 467, 571, 601, 617, 631, 641, 643, 653, 659, 677, 691, 719, 733, 739, 743, 809
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OFFSET

1,1


LINKS



MATHEMATICA

q=15; lst={}; Do[p=Prime[n]; If[PrimeQ[(q+1)*p+q], AppendTo[lst, p]], {n, 6!}]; lst


PROG

(Magma) [n: n in [0..1000]  IsPrime(n) and IsPrime(16*n + 15)]; // Vincenzo Librandi, Feb 03 2014


CROSSREFS

Cf. A136082, A136083, A023213, A023221, A023235, A023240, A157974, A136083, A136084, A089440, A136085


KEYWORD

nonn,easy


AUTHOR



STATUS

approved



