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A106993 Primes of the form 4x^2+xy+6y^2, with x and y any integer. 1
11, 61, 101, 139, 149, 229, 271, 311, 359, 479, 499, 541, 571, 619, 631, 691, 701, 719, 761, 769, 881, 1031, 1049, 1061, 1069, 1259, 1279, 1301, 1489, 1499, 1669, 1721, 1759, 1811, 1831, 1871, 1949, 1999, 2069, 2099, 2221, 2239, 2251, 2381 (list; graph; refs; listen; history; text; internal format)
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

Union[QuadPrimes2[4, 1, 6, 10000], QuadPrimes2[4, -1, 6, 10000]] (* see A106856 *)

CROSSREFS

Sequence in context: A248874 A073625 A307628 * A066597 A199326 A078554

Adjacent sequences:  A106990 A106991 A106992 * A106994 A106995 A106996

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 09 2005

STATUS

approved

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Last modified September 17 19:06 EDT 2021. Contains 347489 sequences. (Running on oeis4.)