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Search: id:A140018
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| A140018 |
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Primes of the form 7x^2+195y^2. |
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+0
1
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| 7, 223, 307, 643, 787, 1123, 1567, 1627, 1783, 1867, 1987, 2203, 2803, 3307, 3463, 3547, 3583, 3967, 4483, 4903, 4987, 5323, 5647, 5683, 6247, 6823, 7027, 7243, 7507, 7867, 8263, 8287, 8923, 9007, 9043, 9547, 10303, 10723, 11863, 12043
(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 {7, 187, 223, 307, 643, 787, 943, 1123, 1207, 1363, 1567, 1627, 1783, 1867, 1903, 1987, 2047, 2203, 2407, 2803, 2827, 3127, 3307, 3463, 3547, 3583, 3967, 4063, 4087, 4387, 4483, 4843, 4903, 4987, 5143, 5263, 5323} (mod 5460).
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CROSSREFS
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Sequence in context: A045760 A046033 A114939 this_sequence A009488 A138247 A015506
Adjacent sequences: A140015 A140016 A140017 this_sequence A140019 A140020 A140021
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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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