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A106897 Primes of the form 2x^2+xy+6y^2, with x and y nonnegative. 1
2, 59, 61, 157, 173, 283, 379, 431, 601, 613, 647, 683, 739, 827, 941, 967, 991, 1087, 1129, 1181, 1217, 1367, 1399, 1553, 1657, 1753, 1823, 1951, 2069, 2179, 2251, 2293, 2311, 2357, 2371, 2609, 2617, 2687, 2753, 2801, 2903, 3067, 3119, 3251 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-47.

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[2, 1, 6, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A113635 A136095 A181866 * A244269 A195325 A195329

Adjacent sequences:  A106894 A106895 A106896 * A106898 A106899 A106900

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 09 2005

STATUS

approved

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Last modified January 20 05:25 EST 2020. Contains 331067 sequences. (Running on oeis4.)