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Search: id:A033232
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| A033232 |
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Primes of form x^2+47*y^2. |
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+0
4
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| 47, 83, 191, 197, 269, 439, 487, 523, 619, 761, 823, 907, 947, 977, 1193, 1277, 1319, 1447, 1481, 1499, 1579, 1693, 1709, 1741, 1811, 1861, 1867, 2053, 2213, 2221, 2273, 2339, 2351, 2447, 2539, 2777
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OFFSET
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1,1
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COMMENT
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Also primes of the form x^2-xy+12y^2 with x and y nonnegative. - T. D. Noe (noe(AT)sspectra.com), May 08 2005
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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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MATHEMATICA
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QuadPrimes[1, 0, 47, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A132257 A132255 A142041 this_sequence A146031 A139968 A132451
Adjacent sequences: A033229 A033230 A033231 this_sequence A033233 A033234 A033235
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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