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A107196 Primes of the form 4x^2+21y^2. 0
37, 193, 277, 421, 541, 673, 1009, 1033, 1093, 1129, 1201, 1213, 1429, 1549, 1621, 1789, 1801, 2053, 2137, 2377, 2473, 2521, 2557, 2689, 2797, 2857, 3217, 3229, 3301, 3529, 3613, 3637, 3697, 3733, 3889, 4201, 4621, 4657, 4729, 4789, 4813 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-336. See A107132 for more information.

MATHEMATICA

QuadPrimes[4, 0, 21, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A137724 A172080 A142181 * A140027 A109320 A053872

Adjacent sequences:  A107193 A107194 A107195 * A107197 A107198 A107199

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 13 2005

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Last modified February 16 07:10 EST 2012. Contains 205874 sequences.