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A107197 Primes of the form 3x^2+28y^2. 1
3, 31, 103, 139, 271, 523, 619, 691, 727, 787, 811, 1063, 1123, 1399, 1447, 1531, 1567, 1699, 1783, 1867, 1879, 1987, 2239, 2287, 2467, 2551, 2659, 2803, 2887, 2971, 3163, 3307, 3331, 3391, 3463, 3559, 3583, 3631, 3967, 4219, 4591, 4639 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-336. See A107132 for more information.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

QuadPrimes[3, 0, 28, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A182232 A077547 A104312 * A096060 A199367 A119682

Adjacent sequences:  A107194 A107195 A107196 * A107198 A107199 A107200

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 13 2005

STATUS

approved

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Last modified June 19 16:22 EDT 2013. Contains 226415 sequences.