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 A174786 Numbers n congruent to 3 (mod 6) such that n+2 and n+8 are primes. 1
 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 (list; graph; refs; listen; history; text; internal format)
 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

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Last modified December 3 00:23 EST 2022. Contains 358510 sequences. (Running on oeis4.)