A106979 Primes of the form 3x^2-3xy+8y^2, with x and y nonnegative.

3, 29, 41, 137, 191, 263, 359, 461, 467, 479, 491, 617, 773, 797, 827, 971, 983, 1229, 1433, 1439, 1481, 1493, 1613, 1697, 1721, 1787, 1931, 2003, 2099, 2339, 2381, 2393, 2531, 2621, 2729, 2753, 2903, 2927, 2939, 2999, 3347, 3407, 3449, 3557

Offset

1,1

Comments

Discriminant=-87.

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[3, -3, 8, 10000] (* see A106856 *)

Crossrefs

Sequence in context: A125854 A167278 A341210 * A367102 A087209 A165440

Adjacent sequences: A106976 A106977 A106978 * A106980 A106981 A106982

Keyword

nonn,easy

Author

T. D. Noe, May 09 2005

Status

approved