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URL: https://oeis.org/A107002

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A107002
Primes of the form 5x^2+2xy+5y^2, with x and y nonnegative.
2
5, 29, 149, 197, 293, 461, 509, 557, 677, 773, 1013, 1109, 1181, 1373, 1637, 1877, 1901, 1973, 2213, 2237, 2309, 2621, 2861, 2909, 3221, 3461, 3581, 3677, 3917, 3989, 4013, 4133, 4157, 4253, 4349, 4397, 4517, 4733, 5189, 5381, 5813, 6029
OFFSET
1,1
COMMENTS
Discriminant=-96.
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[5, 2, 5, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A189430 A273078 A060963 * A339957 A027864 A272839
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved