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A123997
Numbers k for which 16*k+1, 16*k+3 and 16*k+15 are primes.
1
1, 133, 166, 208, 313, 418, 616, 691, 718, 1336, 1441, 1573, 1588, 1756, 2083, 2308, 2533, 2926, 2986, 3688, 3766, 3883, 4036, 4096, 4201, 4663, 5311, 5626, 5908, 6181, 7018, 7456, 7771, 7798, 8188, 8881, 9196, 9343, 9388, 9826, 10108, 10123, 10528
OFFSET
1,2
LINKS
MATHEMATICA
Select[Range[11000], And @@ PrimeQ /@ ({1, 3, 15} + 16#) &] (* Ray Chandler, Nov 05 2006 *)
CROSSREFS
Cf. A092022.
Sequence in context: A031188 A102619 A020446 * A316630 A250766 A254692
KEYWORD
nonn
AUTHOR
Artur Jasinski, Oct 31 2006
EXTENSIONS
Extended by Ray Chandler, Nov 05 2006
STATUS
approved