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Search: id:A139873
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| A139873 |
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Primes of the form 13x^2+4xy+13y^2. |
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+0
2
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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; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-660. See A139827 for more information.
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FORMULA
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The primes are congruent to {13, 73, 193, 217, 277, 337, 373, 457, 613, 637} (mod 660).
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CROSSREFS
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Sequence in context: A097460 A138353 A097402 this_sequence A142787 A084218 A125258
Adjacent sequences: A139870 A139871 A139872 this_sequence A139874 A139875 A139876
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KEYWORD
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nonn,easy
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AUTHOR
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T. D. Noe (noe(AT)sspectra.com), May 02 2008
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