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A106992
Primes of the form 4x^2+xy+6y^2, with x and y nonnegative.
1
11, 61, 271, 499, 571, 631, 769, 881, 1031, 1061, 1069, 1279, 1301, 1871, 1999, 2069, 2221, 2239, 2381, 2531, 2671, 2851, 2969, 3079, 3089, 3361, 3389, 3659, 3779, 3881, 3911, 4111, 4159, 4241, 4409, 4721, 4751, 4759, 5059, 5261, 5519
OFFSET
1,1
COMMENTS
Discriminant=-95.
LINKS
Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
MATHEMATICA
QuadPrimes2[4, 1, 6, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A089764 A023298 A320145 * A115565 A137410 A268863
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved