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A033239
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Primes of form x^2+61*y^2.
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3
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61, 97, 257, 269, 293, 317, 461, 613, 773, 977, 1033, 1097, 1201, 1217, 1601, 1613, 1669, 1721, 1993, 1997, 2221, 2269, 2309, 2549, 2557, 2657, 2969, 3001, 3037, 3049, 3089, 3253, 3313, 3389, 3461, 3877
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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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MATHEMATICA
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QuadPrimes[1, 0, 61, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A088787 A020350 A142108 * A106390 A142191 A086126
Adjacent sequences: A033236 A033237 A033238 * A033240 A033241 A033242
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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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