A023210 Primes p such that 3*p + 8 is also prime.

3, 5, 7, 11, 13, 17, 31, 41, 43, 47, 53, 61, 73, 83, 101, 103, 113, 127, 131, 137, 151, 157, 167, 193, 197, 211, 223, 251, 263, 271, 277, 283, 293, 307, 311, 313, 337, 347, 367, 431, 433, 467, 491, 521, 563, 571, 593, 601, 613, 631, 641, 647, 673, 677, 691, 701, 733, 743

Offset

1,1

Links

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

Mathematica

Select[Prime@Range@500, PrimeQ[3 # + 8] &] (* Vincenzo Librandi, May 19 2014 *)

Prog

(Magma) [n: n in [0..1000] | IsPrime(n) and IsPrime(3*n+8)]; // Vincenzo Librandi, Nov 20 2010

Crossrefs

Sequence in context: A155801 A228118 A136186 * A335120 A153601 A153602

Adjacent sequences: A023207 A023208 A023209 * A023211 A023212 A023213

Keyword

nonn,easy

Author

David W. Wilson

Status

approved