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A139977 Primes of the form 4x^2+4xy+191y^2. +0
2
191, 199, 239, 271, 311, 359, 479, 631, 719, 919, 1031, 1151, 1279, 1559, 1759, 1831, 1871, 1879, 1999, 2039, 2239, 2399, 2551, 2591, 2671, 2791, 2999, 3079, 3391, 3559, 3671, 3911, 3919, 4111, 4159, 4519, 4679, 4751, 4759, 4799, 4831 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-3040. See A139827 for more information.

FORMULA

The primes are congruent to {39, 111, 119, 159, 191, 199, 239, 271, 311, 351, 359, 391, 479, 511, 519, 631, 671, 719, 799, 871, 879, 919, 951, 959, 999, 1031, 1071, 1111, 1119, 1151, 1239, 1271, 1279, 1391, 1431, 1479, 1559, 1631, 1639, 1679, 1711, 1719, 1759, 1791, 1831, 1871, 1879, 1911, 1999, 2031, 2039, 2151, 2191, 2239, 2319, 2391, 2399, 2439, 2471, 2479, 2519, 2551, 2591, 2631, 2639, 2671, 2759, 2791, 2799, 2911, 2951, 2999} (mod 3040).

CROSSREFS

Sequence in context: A104642 A115016 A139650 this_sequence A141868 A059244 A136068

Adjacent sequences: A139974 A139975 A139976 this_sequence A139978 A139979 A139980

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.


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