id:A106912 - OEIS Search Results

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Primes of the form 2x^2-xy+7y^2, with x and y nonnegative.

+0
1

2, 7, 13, 73, 83, 127, 167, 173, 197, 233, 263, 283, 337, 347, 373, 503, 547, 557, 563, 607, 677, 733, 743, 787, 853, 887, 937, 953, 1033, 1163, 1187, 1297, 1327, 1427, 1487, 1553, 1583, 1597, 1723, 1777, 1847, 1913, 1933, 1987, 1993, 1997, 2053 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Discriminant=-55. See A106856 for more information.`
	MATHEMATICA	`QuadPrimes[2, -1, 7, 10000] (* see A106856 *)`
	CROSSREFS	`Sequence in context: A153136 A127487 A072060 this_sequence A099629 A092836 A102152` `Adjacent sequences: A106909 A106910 A106911 this_sequence A106913 A106914 A106915`
	KEYWORD	`nonn,easy`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), May 09 2005`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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