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Search: id:A140021
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| A140021 |
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Primes of the form 14x^2+14xy+101y^2. |
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+0
1
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| 101, 269, 521, 881, 1049, 1109, 1301, 1361, 1889, 1949, 2141, 2441, 2609, 2729, 2861, 3041, 3449, 3461, 3701, 3821, 4241, 4289, 4889, 5381, 5669, 5801, 5981, 6569, 6761, 7229, 7349, 7829, 7901, 8069, 8501, 8609, 9161, 9281, 9749, 9929
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-5460. See A139827 for more information.
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FORMULA
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The primes are congruent to {101, 209, 269, 341, 521, 881, 1049, 1109, 1301, 1349, 1361, 1769, 1889, 1949, 2141, 2201, 2369, 2441, 2609, 2729, 2861, 2981, 3041, 3149, 3449, 3461, 3701, 3821, 4241, 4289, 4469, 4541, 4709, 4889, 5249, 5381} (mod 5460).
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MATHEMATICA
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QuadPrimes[14, -14, 101, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A085610 A142530 A033241 this_sequence A139701 A142578 A134971
Adjacent sequences: A140018 A140019 A140020 this_sequence A140022 A140023 A140024
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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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