A158018 Primes p such that (p - 1)/12 is also prime.

37, 61, 157, 229, 277, 349, 373, 709, 733, 853, 877, 997, 1069, 1213, 1237, 1669, 1789, 2293, 2389, 2677, 2749, 2797, 3229, 3253, 3373, 3517, 3733, 4549, 4597, 4813, 4909, 5197, 5557, 5749, 6037, 6277, 6829, 7213, 7573, 7717, 7933, 8293, 8629, 9013, 9133

Offset

1,1

Links

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

Formula

a(n)=12*A075704(n)+1. [From R. J. Mathar, Mar 15 2009]

Mathematica

Flatten[Table[If[PrimeQ[n] && PrimeQ[(n - 1)/12], n, {}], {n, 1, 10000}]]
Select[Prime[Range[1500]], PrimeQ[(# - 1) / 12]&] (* Vincenzo Librandi, Apr 14 2013 *)

Crossrefs

Cf. A005385, A090866, A051644, A055781

Sequence in context: A139960 A103946 A107142 * A226697 A117475 A145486

Adjacent sequences: A158015 A158016 A158017 * A158019 A158020 A158021

Keyword

nonn,easy

Author

Roger L. Bagula, Mar 11 2009

Extensions

Definition slightly rephrased - The Assoc. Eds. of the OEIS, Aug 30 2010

Status

approved