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A023294
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Primes that remain prime through 3 iterations of function f(x) = 8x + 7.
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3
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659, 2549, 5189, 6269, 7229, 7949, 9209, 11579, 16139, 18089, 22739, 25589, 26099, 26339, 29009, 30689, 40289, 51719, 55799, 59669, 60689, 61379, 63599, 69959, 70229, 74609, 85829, 94949, 95819, 102539, 109589, 118169, 121469, 135599, 136889
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OFFSET
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1,1
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COMMENTS
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Primes p such that 8*p+7, 64*p+63 and 512*p+511 are also primes. - Vincenzo Librandi, Aug 04 2010
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LINKS
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FORMULA
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PROG
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(Magma) [n: n in [1..450000] | IsPrime(n) and IsPrime(8*n+7) and IsPrime(64*n+63) and IsPrime(512*n+511)] // Vincenzo Librandi, Aug 04 2010
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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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