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A139871 Primes of the form 10x^2+10xy+19y^2. 0
19, 79, 139, 151, 211, 271, 439, 571, 739, 811, 919, 1051, 1231, 1399, 1459, 1471, 1531, 1579, 1759, 1999, 2131, 2239, 2251, 2371, 2551, 2659, 2719, 2791, 2851, 3079, 3319, 3511, 3559, 3571, 3691, 3739, 4099, 4111, 4219, 4231, 4639, 4759 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-660. See A139827 for more information.

FORMULA

The primes are congruent to {19, 79, 139, 151, 211, 259, 271, 391, 439, 571} (mod 660).

MATHEMATICA

QuadPrimes[10, -10, 19, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A041700 A132234 A074822 * A142789 A158491 A201783

Adjacent sequences:  A139868 A139869 A139870 * A139872 A139873 A139874

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 02 2008

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Last modified February 14 01:35 EST 2012. Contains 205567 sequences.