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A106900 Primes of the form x^2+xy+12y^2, with x and y nonnegative. 1
83, 191, 197, 269, 439, 487, 523, 619, 823, 907, 947, 977, 1193, 1277, 1319, 1447, 1481, 1499, 1579, 1709, 1741, 1811, 1861, 1867, 2053, 2213, 2221, 2273, 2351, 2447, 2539, 2777, 2789, 2879, 2917, 2939, 2963, 3061, 3089, 3203, 3373, 3449 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-47. See A106856 for more information.

MATHEMATICA

QuadPrimes[1, 1, 12, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A142443 A044415 A044796 * A142621 A142681 A066366

Adjacent sequences:  A106897 A106898 A106899 * A106901 A106902 A106903

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 09 2005

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Last modified February 15 13:49 EST 2012. Contains 205810 sequences.