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A033256 Primes of form x^2+87*y^2. 3


%S 103,151,283,349,373,397,487,571,709,787,877,883,1039,1459,1531,1567,

%T 1753,2017,2029,2179,2203,2239,2371,2383,2557,2617,2659,2719,2749,

%U 2791,2851,3181,3253,3301,3331,3373

%N Primes of form x^2+87*y^2.

%C Also primes of the form x^2-xy+22y^2 with x and y nonnegative. - _T. D. Noe_, May 08 2005

%D David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989.

%H Vincenzo Librandi and Ray Chandler, <a href="/A033256/b033256.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]

%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)

%t QuadPrimes2[1, 0, 87, 10000] (* see A106856 *)

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_.

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Last modified July 13 04:53 EDT 2020. Contains 335673 sequences. (Running on oeis4.)