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Search: id:A140000
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| A140000 |
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Primes of the form 4x^2+4xy+331y^2. |
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+0
1
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| 331, 379, 499, 619, 691, 859, 1171, 1291, 1699, 2011, 2179, 2539, 2731, 2971, 3019, 3259, 3331, 3499, 3931, 4051, 4339, 4651, 5179, 5659, 5779, 6451, 6571, 6691, 7219, 7459, 8011, 8419, 8539, 8779, 9091, 9619, 9739, 9859, 9931, 10099, 10459
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-5280. See A139827 for more information.
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FORMULA
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The primes are congruent to {91, 331, 379, 499, 619, 691, 859, 1171, 1219, 1291} (mod 1320).
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CROSSREFS
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Adjacent sequences: A139997 A139998 A139999 this_sequence A140001 A140002 A140003
Sequence in context: A104476 A140908 A139657 this_sequence A142763 A020373 A142601
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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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