A106925 - OEIS

%I #17 Aug 05 2014 14:16:29

%S 7,37,193,211,379,457,487,673,709,883,991,1171,1327,1381,1423,1429,

%T 1453,1597,1747,1759,1801,1873,2017,2083,2347,2521,2671,2851,3313,

%U 3319,3469,3529,3613,3739,3823,3847,3889,4027,4327,4519,4603,4813

%N Primes of the form 4x^2-xy+4y^2, with x and y nonnegative.

%C Discriminant=-63.

%H Vincenzo Librandi and Ray Chandler, <a href="/A106925/b106925.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[4, -1, 4, 10000] (* see A106856 *)

%K nonn,easy

%O 1,1

%A _T. D. Noe_, May 09 2005