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Search: id:A107210
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| A107210 |
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Primes of the form 3x^2+31y^2. |
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+0
3
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| 3, 31, 43, 79, 127, 139, 151, 199, 223, 271, 331, 367, 463, 487, 499, 523, 571, 619, 631, 643, 739, 787, 823, 859, 883, 967, 991, 1171, 1231, 1447, 1483, 1531, 1543, 1567, 1579, 1627, 1747, 1759, 1951, 1987, 1999, 2011, 2083, 2131, 2287, 2311
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-372. See A107132 for more information.
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FORMULA
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The primes are congruent to {3, 31, 43, 55, 79, 91, 115, 127, 139, 151, 199, 223, 247, 259, 271, 331, 367} (mod 372). - T. D. Noe (noe(AT)sspectra.com), May 02 2008
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MATHEMATICA
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QuadPrimes[3, 0, 31, 10000] (* see A106856 *)
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CROSSREFS
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Cf. A139827.
Sequence in context: A090151 A068331 A078330 this_sequence A119739 A163579 A141966
Adjacent sequences: A107207 A107208 A107209 this_sequence A107211 A107212 A107213
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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 13 2005
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