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A033250
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Primes of form x^2+78*y^2.
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5
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79, 103, 127, 199, 313, 337, 367, 433, 439, 601, 607, 673, 727, 751, 823, 919, 937, 991, 1039, 1063, 1153, 1231, 1249, 1297, 1303, 1327, 1447, 1543, 1609, 1663, 1759, 1777, 1873, 1951, 1993, 1999, 2089
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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REFERENCES
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D. Cox, "Primes of Form x^2 + n y^2", Wiley, 1989.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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FORMULA
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The primes are congruent to {1, 25, 49, 55, 79, 103, 121, 127, 199, 217, 289, 295} (mod 312). - T. D. Noe, Apr 29 2008
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MATHEMATICA
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QuadPrimes[1, 0, 78, 10000] (* see A106856 *)
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CROSSREFS
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Cf. A139643.
Sequence in context: A087537 A117840 A193142 * A139922 A112795 A107162
Adjacent sequences: A033247 A033248 A033249 * A033251 A033252 A033253
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane.
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STATUS
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approved
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