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A164567
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Primes p such that 5*p-6 and 5*p+6 are prime numbers.
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2
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5, 7, 13, 19, 29, 37, 41, 47, 79, 83, 97, 103, 149, 163, 211, 257, 293, 313, 359, 379, 401, 421, 449, 509, 523, 541, 547, 601, 643, 653, 673, 691, 701, 733, 821, 853, 883, 911, 929, 937, 1009, 1129, 1171, 1217, 1367, 1381, 1423, 1511, 1567, 1619, 1637, 1787
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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lst={}; Do[p=Prime[n]; If[PrimeQ[5*p-6]&&PrimeQ[5*p+6], AppendTo[lst, p]], {n, 6!}]; lst
Select[Prime[Range[300]], AllTrue[5#+{6, -6}, PrimeQ]&] (* Harvey P. Dale, Jun 09 2022 *)
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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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