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Search: id:A140007
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| A140007 |
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Primes of the form 20x^2+20xy+71y^2. |
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+0
1
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| 71, 191, 311, 599, 719, 839, 911, 1439, 1511, 1871, 2039, 2399, 2711, 3191, 3359, 3719, 4079, 4271, 4679, 4799, 4871, 5039, 5351, 5399, 5471, 5591, 5879, 6359, 6719, 6791, 6911, 7151, 8039, 8111, 8231, 8831, 8999, 9311, 9431, 9551, 9791
(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 {71, 119, 191, 311, 551, 599, 719, 839, 911, 1079} (mod 1320).
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CROSSREFS
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Sequence in context: A068364 A142612 A139991 this_sequence A023107 A142808 A101110
Adjacent sequences: A140004 A140005 A140006 this_sequence A140008 A140009 A140010
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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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