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A123987
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Numbers k for which 14*k+1, 14*k+5, 14*k+11 and 14*k+13 are primes.
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1
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9, 72, 114, 237, 252, 279, 342, 357, 417, 534, 687, 864, 1134, 1284, 1362, 1644, 2637, 2754, 2802, 3144, 3162, 3849, 5427, 6342, 6429, 6774, 7122, 8082, 8742, 9114, 9234, 9597, 9897, 10029, 10059, 10119, 10212, 11229, 11562, 12594, 13107, 14202, 14799
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Range[15000], And @@ PrimeQ /@ ({1, 5, 11, 13} + 14#) &] (* Ray Chandler, Dec 06 2006 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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