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A123981 Numbers k for which 12*k+5, 12*k+7 and 12*k+11 are primes. 1
1, 3, 8, 38, 53, 68, 71, 73, 106, 108, 123, 166, 173, 186, 221, 288, 326, 333, 376, 386, 456, 458, 516, 656, 711, 738, 788, 871, 981, 1076, 1083, 1146, 1156, 1158, 1173, 1193, 1303, 1338, 1503, 1618, 1706, 1741, 1751, 1776, 1781, 1796, 1856, 1886, 1921, 1963 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[2000], And @@ PrimeQ /@ ({5, 7, 11} + 12#) &] (* Ray Chandler, Nov 05 2006 *)

CROSSREFS

Sequence in context: A188327 A024039 A147523 * A123985 A219953 A286075

Adjacent sequences:  A123978 A123979 A123980 * A123982 A123983 A123984

KEYWORD

nonn,changed

AUTHOR

Artur Jasinski, Oct 30 2006

EXTENSIONS

Extended by Ray Chandler, Nov 05 2006

STATUS

approved

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Last modified March 30 06:59 EDT 2020. Contains 333119 sequences. (Running on oeis4.)