A174786 Numbers n congruent to 3 (mod 6) such that n+2 and n+8 are primes.

3, 9, 15, 21, 39, 45, 51, 81, 99, 105, 129, 165, 171, 189, 225, 231, 249, 255, 261, 309, 345, 351, 381, 441, 459, 501, 555, 561, 585, 591, 639, 645, 651, 675, 819, 855, 879, 939, 945, 969, 975, 1011, 1089, 1095, 1101, 1179, 1185, 1215, 1221, 1275, 1281, 1299, 1359, 1365

Offset

1,1

Links

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

Mathematica

Select[6Range[230]-3, And@@PrimeQ[{#+2, #+8}]&] (* Harvey P. Dale, Aug 21 2011 *)

Crossrefs

Cf. A016945, A023201.

Sequence in context: A108701 A064539 A029482 * A216974 A246298 A139419

Adjacent sequences: A174783 A174784 A174785 * A174787 A174788 A174789

Keyword

nonn,easy

Author

Giovanni Teofilatto, Mar 29 2010

Extensions

Definition corrected and sequence extended - R. J. Mathar, Mar 30 2010

Status

approved