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A038972
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Primes p such that 85 is not a square mod p.
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2
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2, 11, 13, 29, 31, 41, 43, 47, 53, 61, 67, 71, 79, 83, 103, 109, 127, 131, 137, 139, 157, 181, 199, 211, 223, 241, 257, 263, 269, 293, 307, 311, 353, 373, 379, 383, 401, 419, 431, 433, 439, 443, 449, 457, 463, 467
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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[120]], JacobiSymbol[#, 85] == -1 &] (* Vincenzo Librandi Sep 10 2012 *)
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PROG
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(Magma) [2] cat [ p: p in PrimesUpTo(467) | not IsSquare(R! 85) where R:= ResidueClassRing(p) ]; // Vincenzo Librandi, Sep 10 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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EXTENSIONS
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STATUS
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approved
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