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A107157 Primes of the form x^2+50y^2. 2
59, 131, 281, 491, 499, 571, 619, 641, 739, 809, 811, 881, 929, 1259, 1289, 1291, 1571, 1721, 1801, 1889, 1979, 2089, 2131, 2161, 2339, 2459, 2531, 2659, 2801, 2851, 3169, 3209, 3259, 3299, 3449, 3539, 3851, 3929, 3931, 4019, 4049, 4051 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-200. See A107132 for more information.

LINKS

Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]

N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

MATHEMATICA

QuadPrimes2[1, 0, 50, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A237687 A098032 A139994 * A039537 A220463 A142171

Adjacent sequences:  A107154 A107155 A107156 * A107158 A107159 A107160

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 13 2005

STATUS

approved

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Last modified September 5 05:54 EDT 2015. Contains 261341 sequences.