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Search: id:A139863
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| A139863 |
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Primes of the form 10x^2+13y^2. |
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+0
2
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| 13, 23, 53, 103, 127, 157, 173, 263, 277, 367, 373, 503, 607, 647, 653, 677, 727, 757, 797, 823, 887, 997, 1013, 1063, 1093, 1117, 1213, 1223, 1277, 1303, 1327, 1447, 1453, 1543, 1583, 1613, 1637, 1663, 1693, 1733, 1823, 1847, 1933, 1973, 2053
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-520. See A139827 for more information.
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FORMULA
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The primes are congruent to {13, 23, 53, 77, 87, 103, 127, 133, 157, 173, 183, 207, 237, 263, 277, 287, 303, 367, 373, 407, 413, 477, 493, 503, 517} (mod 520).
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CROSSREFS
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Sequence in context: A067227 A068712 A103166 this_sequence A046862 A131447 A110196
Adjacent sequences: A139860 A139861 A139862 this_sequence A139864 A139865 A139866
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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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