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A139873
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Primes of the form 13x^2+4xy+13y^2.
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1
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13, 73, 193, 277, 337, 373, 457, 613, 673, 733, 853, 877, 937, 997, 1033, 1117, 1297, 1597, 1657, 1693, 1777, 1933, 1993, 2053, 2437, 2593, 2617, 2713, 2833, 2857, 2917, 3253, 3313, 3373, 3517, 3637, 3673, 4153, 4177, 4297, 4597, 4813, 4957
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Discriminant=-660. See A139827 for more information.
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FORMULA
| The primes are congruent to {13, 73, 193, 217, 277, 337, 373, 457, 613, 637} (mod 660).
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MATHEMATICA
| Union[QuadPrimes[13, 4, 13, 10000], QuadPrimes[13, -4, 13, 10000]] (* see A106856 *)
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CROSSREFS
| Sequence in context: A138353 A097402 A201788 * A142787 A084218 A175361
Adjacent sequences: A139870 A139871 A139872 * A139874 A139875 A139876
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KEYWORD
| nonn,easy
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AUTHOR
| T. D. Noe (noe(AT)sspectra.com), May 02 2008
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