id:A107196 - OEIS Search Results

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Primes of the form 4x^2+21y^2.

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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; listen)

	OFFSET	`1,1`
	COMMENT	`Discriminant=-336. See A107132 for more information.`
	CROSSREFS	`Adjacent sequences: A107193 A107194 A107195 this_sequence A107197 A107198 A107199` `Sequence in context: A142410 A137724 A142181 this_sequence A140027 A109320 A053872`
	KEYWORD	`nonn,easy`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), May 13 2005`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

AT&T Labs Research