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Primes of the form 5x^2-xy+5y^2, with x and y nonnegative.

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`%I #17 Aug 05 2014 14:16:30
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`%S 5,23,47,59,113,179,251,269,317,383,401,449,509,587,599,617,641,653,
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`%T 719,773,839,881,911,947,971,983,1061,1193,1259,1277,1307,1409,1433,
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`%U 1439,1523,1571,1607,1697,1709,1787,1871,1973,2027,2039,2069,2297
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`%N Primes of the form 5x^2-xy+5y^2, with x and y nonnegative.
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`%C Discriminant=-99.
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`%H Vincenzo Librandi and Ray Chandler, <a href="/A107011/b107011.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
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`%H N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references)
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`%t QuadPrimes2[5, -1, 5, 10000] (* see A106856 *)
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`%K nonn,easy
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`%O 1,1
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`%A _T. D. Noe_, May 09 2005
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