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Search: id:A139844
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| A139844 |
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Primes of the form 2x^2+2xy+53y^2. |
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+0
2
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| 2, 53, 113, 137, 197, 233, 317, 557, 617, 653, 953, 977, 1373, 1493, 1733, 1877, 1913, 1997, 2153, 2213, 2237, 2297, 2333, 2417, 2633, 2657, 2753, 2837, 3137, 3257, 3413, 3557, 3593, 3677, 3833, 3917, 4013, 4253, 4337, 4397, 4517, 4673
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-420. See A139827 for more information.
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FORMULA
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The primes are congruent to {2, 53, 113, 137, 197, 233, 317} (mod 420).
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MATHEMATICA
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QuadPrimes[2, -2, 53, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A062853 A059703 A041337 this_sequence A130698 A123005 A142477
Adjacent sequences: A139841 A139842 A139843 this_sequence A139845 A139846 A139847
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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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