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Search: id:A139986
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| A139986 |
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Primes of the form 5x^2+168y^2. |
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+0
1
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| 5, 173, 293, 677, 773, 797, 1013, 1277, 1613, 1637, 1973, 2357, 2477, 2693, 2957, 3533, 3797, 4133, 4157, 4373, 4493, 4637, 4877, 4973, 5333, 5477, 5717, 5813, 6053, 6173, 6317, 6653, 7013, 7517, 7853, 8237, 8573, 8693, 8837, 9173, 9413
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-3360. See A139827 for more information.
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FORMULA
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Except for 5, the primes are congruent to {173, 293, 437, 677, 773, 797} (mod 840).
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MATHEMATICA
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QuadPrimes[5, 0, 168, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A047940 A116629 A157234 this_sequence A123111 A060070 A027873
Adjacent sequences: A139983 A139984 A139985 this_sequence A139987 A139988 A139989
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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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