A106929 Primes of the form x^2+xy+16y^2, with x and y nonnegative.

67, 79, 127, 163, 277, 373, 421, 463, 541, 547, 613, 631, 739, 823, 877, 967, 1033, 1051, 1087, 1093, 1129, 1213, 1297, 1621, 1663, 1723, 1831, 1933, 1999, 2011, 2179, 2251, 2377, 2389, 2437, 2503, 2557, 2683, 2689, 2731, 2767, 2797, 2857

Offset

1,1

Comments

Discriminant=-63.

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[1, 1, 16, 10000] (* see A106856 *)

Crossrefs

Sequence in context: A124476 A066475 A106930 * A173040 A091490 A091075

Adjacent sequences: A106926 A106927 A106928 * A106930 A106931 A106932

Keyword

nonn,easy

Author

T. D. Noe, May 09 2005

Status

approved