The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #17 Aug 05 2014 14:16:29
%S 7,13,67,109,139,181,199,223,241,277,313,439,457,463,499,523,547,613,
%T 631,643,661,673,691,811,919,937,991,1009,1021,1051,1069,1093,1153,
%U 1213,1231,1321,1327,1399,1483,1543,1579,1657,1669,1741,1747,1789
%N Primes of the form 4x^2+3xy+6y^2, with x and y any integer.
%C Discriminant=-87.
%H Vincenzo Librandi and Ray Chandler, <a href="/A106976/b106976.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 Union[QuadPrimes2[4, 3, 6, 10000], QuadPrimes2[4, -3, 6, 10000]] (* see A106856 *)
%K nonn,easy
%O 1,1
%A _T. D. Noe_, May 09 2005