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Search: id:A139984
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| A139984 |
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Primes of the form 3x^2+280y^2. |
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+0
2
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| 3, 283, 307, 523, 643, 787, 1123, 1483, 1627, 1867, 1987, 2203, 2467, 2707, 2803, 3163, 3307, 3547, 3643, 4003, 4483, 4507, 4723, 4987, 5227, 5323, 5347, 5563, 5683, 5827, 6067, 6163, 6907, 7027, 7243, 7507, 7867, 8707, 8923, 9043, 9187
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-3360. See A139827 for more information.
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FORMULA
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Except for 3, the primes are congruent to {187, 283, 307, 523, 643, 787} (mod 840).
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MATHEMATICA
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QuadPrimes[3, 0, 280, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A096126 A057599 A054583 this_sequence A057631 A058455 A116532
Adjacent sequences: A139981 A139982 A139983 this_sequence A139985 A139986 A139987
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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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