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A140007 Primes of the form 20x^2+20xy+71y^2. 0
71, 191, 311, 599, 719, 839, 911, 1439, 1511, 1871, 2039, 2399, 2711, 3191, 3359, 3719, 4079, 4271, 4679, 4799, 4871, 5039, 5351, 5399, 5471, 5591, 5879, 6359, 6719, 6791, 6911, 7151, 8039, 8111, 8231, 8831, 8999, 9311, 9431, 9551, 9791 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-5280. See A139827 for more information.

FORMULA

The primes are congruent to {71, 119, 191, 311, 551, 599, 719, 839, 911, 1079} (mod 1320).

MATHEMATICA

QuadPrimes[20, -20, 71, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A068364 A142612 A139991 * A023107 A174370 A174454

Adjacent sequences:  A140004 A140005 A140006 * A140008 A140009 A140010

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.