A156112 Primes p such that p+36 and p+72 are both prime.

7, 11, 17, 31, 37, 67, 101, 127, 157, 191, 197, 241, 277, 281, 311, 317, 337, 347, 431, 521, 541, 571, 647, 751, 787, 911, 941, 947, 977, 997, 1051, 1151, 1187, 1451, 1487, 1621, 1627, 1877, 2017, 2027, 2237, 2311, 2467, 2521, 2621, 2647, 2657, 2677, 2731

Offset: 1

Author

Vincenzo Librandi, Feb 08 2009

Keywords

• nonn
• easy

Comments

A156105 INTERSECT A156104. [R. J. Mathar, Feb 09 2009]

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A156104, A156105.

Programs

Magma

[p: p in PrimesUpTo(3000)|IsPrime(p + 36) and IsPrime (p + 72)]; // Vincenzo Librandi, Oct 31 2012

Mathematica

Select[Prime[Range[3000]], And @@ PrimeQ[{# + 36,# + 72}]&] (* Vincenzo Librandi, Oct 31 2012 *)
Select[Prime[Range[3000]],AllTrue[#+{36,72},PrimeQ]&] (* Harvey P. Dale, Jul 12 2023 *)

Extensions

More terms from R. J. Mathar, Feb 09 2009