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A139838
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Primes of the form 8x^2+8xy+13y^2.
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1
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13, 29, 61, 101, 109, 149, 173, 197, 277, 293, 349, 373, 461, 541, 557, 613, 677, 701, 733, 821, 853, 877, 941, 997, 1069, 1117, 1229, 1381, 1429, 1493, 1597, 1613, 1669, 1693, 1733, 1789, 1861, 1877, 1933, 1949, 1997, 2053, 2141, 2213, 2221, 2309
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OFFSET
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1,1
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COMMENTS
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Discriminant=-352. See A139827 for more information.
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LINKS
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FORMULA
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The primes are congruent to {13, 21, 29, 61, 85} (mod 88).
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MATHEMATICA
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QuadPrimes2[8, -8, 13, 10000] (* see A106856 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(3000) | p mod 88 in {13, 21, 29, 61, 85}]; // Vincenzo Librandi, Jul 29 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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