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A106926 Primes of the form 2x^2+xy+8y^2, with x and y nonnegative. 1

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

%S 2,11,29,113,137,179,191,233,347,359,401,431,449,617,659,701,743,809,

%T 821,863,911,947,1019,1103,1187,1229,1283,1367,1373,1409,1493,1583,

%U 1733,1913,1997,2003,2027,2039,2081,2087,2207,2333,2381,2447,2531

%N Primes of the form 2x^2+xy+8y^2, with x and y nonnegative.

%C Discriminant=-63.

%H Vincenzo Librandi and Ray Chandler, <a href="/A106926/b106926.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, 1, 8, 10000] (* see A106856 *)

%K nonn,easy

%O 1,1

%A _T. D. Noe_, May 09 2005

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Last modified July 22 07:42 EDT 2024. Contains 374481 sequences. (Running on oeis4.)