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A045439
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Primes congruent to {0, 4, 5, 6} mod 7.
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1
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5, 7, 11, 13, 19, 41, 47, 53, 61, 67, 83, 89, 97, 103, 109, 131, 137, 139, 151, 167, 173, 179, 181, 193, 223, 229, 251, 257, 263, 271, 277, 293, 307, 313, 347, 349, 383, 389, 397, 419, 431, 433, 439, 461, 467, 487
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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[Prime[Range[200]], MemberQ[{0, 4, 5, 6}, Mod[#, 7]]&] (* Vincenzo Librandi, Aug 13 2012 *)
Select[Flatten[{0, 4, 5, 6}+#&/@(7Range[0, 70])], PrimeQ] (* or *) Select[LinearRecurrence[ {1, 0, 0, 1, -1}, {0, 4, 5, 6, 7}, 300], PrimeQ] (* Harvey P. Dale, Jul 22 2024 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(700) | p mod 7 in {0, 4, 5, 6} ]; // Vincenzo Librandi, Aug 13 2012
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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