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Search: id:A139889
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| A139889 |
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Primes of the form 5x^2+42y^2. |
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+0
1
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| 5, 47, 167, 173, 293, 383, 503, 647, 677, 773, 797, 887, 983, 1013, 1223, 1277, 1487, 1613, 1637, 1823, 1847, 1973, 2063, 2357, 2477, 2663, 2687, 2693, 2903, 2957, 3023, 3167, 3407, 3527, 3533, 3797, 3863, 4007, 4133, 4157, 4373, 4493, 4583
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-840. See A139827 for more information.
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FORMULA
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The primes are congruent to {5, 47, 143, 167, 173, 293, 383, 437, 503, 647, 677, 773, 797} (mod 840).
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CROSSREFS
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Adjacent sequences: A139886 A139887 A139888 this_sequence A139890 A139891 A139892
Sequence in context: A141890 A056248 A126575 this_sequence A134327 A122501 A049281
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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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