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A191080
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Primes p that have Kronecker symbol (p|78) = -1.
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1
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5, 7, 11, 17, 23, 31, 43, 59, 61, 73, 83, 97, 113, 139, 149, 151, 157, 181, 191, 193, 197, 211, 223, 227, 233, 241, 257, 263, 271, 277, 283, 293, 311, 317, 373, 409, 457, 461, 463, 487, 503, 509, 521, 523, 547, 557, 569, 571, 577, 587, 599, 631, 641, 647
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OFFSET
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1,1
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COMMENTS
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Originally erroneously named "Primes that are not squares mod 78". - M. F. Hasler, Jan 18 2016
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LINKS
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MATHEMATICA
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Select[Prime[Range[200]], JacobiSymbol[#, 78]==-1&]
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PROG
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(Magma) [p: p in PrimesUpTo(647) | KroneckerSymbol(p, 78) eq -1]; // Vincenzo Librandi, Sep 11 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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