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A106907 Primes of the form 4x^2+3xy+4y^2, with x and y nonnegative. 2

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

%S 11,181,401,521,619,709,719,829,911,971,1511,1709,1831,1879,2039,2161,

%T 2179,2281,2579,2861,3001,3061,3221,3259,3359,3499,4051,4159,4409,

%U 4691,4871,4931,4951,5009,5171,5351,5449,5569,5591,5839,6131,6449

%N Primes of the form 4x^2+3xy+4y^2, with x and y nonnegative.

%C Discriminant=-55.

%H Vincenzo Librandi and Ray Chandler, <a href="/A106907/b106907.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, 3, 4, 10000] (* see A106856 *)

%K nonn,easy

%O 1,1

%A _T. D. Noe_, May 09 2005

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)