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Search: id:A139954
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| A139954 |
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Primes of the form 14x^2+14xy+31y^2. |
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+0
1
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| 31, 59, 199, 251, 311, 419, 619, 691, 719, 839, 859, 971, 1039, 1259, 1279, 1291, 1511, 1571, 1699, 1879, 1951, 2099, 2399, 2539, 2579, 2819, 2971, 3191, 3331, 3359, 3391, 3491, 3499, 3631, 3919, 4051, 4079, 4339, 4591, 4651, 4679, 4871
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1540. See A139827 for more information.
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FORMULA
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The primes are congruent to {31, 59, 111, 159, 199, 251, 279, 311, 339, 411, 419, 531, 551, 559, 619, 691, 719, 731, 839, 859, 951, 971, 999, 1039, 1259, 1279, 1291, 1391, 1431, 1511} (mod 1540).
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CROSSREFS
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Sequence in context: A039350 A043173 A043953 this_sequence A109840 A108293 A063339
Adjacent sequences: A139951 A139952 A139953 this_sequence A139955 A139956 A139957
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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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