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Primes of the form 2x^2+2xy+11y^2, with x and y nonnegative.
2

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

%S 2,11,23,71,107,179,191,239,347,359,431,443,491,599,659,683,743,827,

%T 911,947,1019,1031,1103,1163,1187,1367,1439,1451,1499,1523,1583,1607,

%U 1619,1667,1871,2003,2027,2039,2087,2111,2207,2339,2459,2531,2543

%N Primes of the form 2x^2+2xy+11y^2, with x and y nonnegative.

%C Discriminant=-84.

%H Vincenzo Librandi and Ray Chandler, <a href="/A106974/b106974.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[2, 2, 11, 10000] (* see A106856 *)

%K nonn,easy

%O 1,1

%A _T. D. Noe_, May 09 2005