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Search: id:A139907
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| A139907 |
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Primes of the form 2x^2+2xy+137y^2. |
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+0
2
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| 2, 137, 149, 197, 281, 317, 401, 449, 557, 617, 821, 977, 1061, 1229, 1289, 1373, 1409, 1493, 1709, 1877, 1913, 1997, 2069, 2153, 2333, 2381, 2633, 2657, 2741, 2801, 2969, 3089, 3257, 3413, 3557, 3581, 3593, 3677, 3833, 4253, 4337, 4349
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1092. See A139827 for more information.
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FORMULA
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The primes are congruent to {2, 137, 149, 197, 281, 305, 317, 401, 449, 473, 557, 617, 785, 821, 869, 905, 977, 1061, 1073} (mod 1092).
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MATHEMATICA
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QuadPrimes[2, -2, 137, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A097641 A065963 A000662 this_sequence A087619 A157072 A051029
Adjacent sequences: A139904 A139905 A139906 this_sequence A139908 A139909 A139910
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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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