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A139957 Primes of the form 4x^2+4xy+103y^2. 0
103, 127, 151, 223, 271, 463, 631, 727, 919, 967, 1039, 1063, 1087, 1279, 1327, 1447, 1471, 1543, 1759, 1783, 1879, 1951, 2143, 2287, 2311, 2503, 2551, 2671, 2719, 2767, 3079, 3319, 3391, 3511, 3583, 3727, 3823, 3919, 3943, 4231, 4327 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-1632. See A139827 for more information.

FORMULA

The primes are congruent to {55, 103, 127, 151, 223, 247, 271, 319} (mod 408).

MATHEMATICA

QuadPrimes[4, -4, 103, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A098049 A055628 A139643 * A077404 A139979 A146357

Adjacent sequences:  A139954 A139955 A139956 * A139958 A139959 A139960

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 15 11:53 EST 2012. Contains 205778 sequences.