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Search: id:A139957
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| A139957 |
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Primes of the form 4x^2+4xy+103y^2. |
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+0
1
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| 103, 127, 151, 223, 271, 463, 631, 727, 919, 967, 1039, 1063, 1087, 1279, 1327, 1447, 1471, 1543, 1759, 1783, 1879, 1951, 2143, 2287, 2311, 2503, 2551, 2671, 2719, 2767, 3079, 3319, 3391, 3511, 3583, 3727, 3823, 3919, 3943, 4231, 4327
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1632. See A139827 for more information.
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FORMULA
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The primes are congruent to {55, 103, 127, 151, 223, 247, 271, 319} (mod 408).
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CROSSREFS
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Sequence in context: A098049 A055628 A139643 this_sequence A077404 A139979 A146357
Adjacent sequences: A139954 A139955 A139956 this_sequence A139958 A139959 A139960
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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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