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A033256
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Primes of form x^2+87*y^2.
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4
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103, 151, 283, 349, 373, 397, 487, 571, 709, 787, 877, 883, 1039, 1459, 1531, 1567, 1753, 2017, 2029, 2179, 2203, 2239, 2371, 2383, 2557, 2617, 2659, 2719, 2749, 2791, 2851, 3181, 3253, 3301, 3331, 3373
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OFFSET
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1,1
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COMMENTS
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Also primes of the form x^2-xy+22y^2 with x and y nonnegative. - T. D. Noe, 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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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, 87, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A058999 A046077 A127027 * A106983 A141962 A115267
Adjacent sequences: A033253 A033254 A033255 * A033257 A033258 A033259
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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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