id:A106858 - OEIS Search Results

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

+0
2

2, 5, 23, 83, 107, 137, 173, 257, 293, 347, 353, 467, 503, 617, 647, 653, 743, 797, 857, 953, 983, 1223, 1277, 1283, 1307, 1427, 1487, 1493, 1523, 1553, 1637, 1787, 1877, 1913, 1997, 2003, 2027, 2213, 2237, 2243, 2393, 2423, 2447, 2657, 2663 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Discriminant=-15. See A106856 for more information.`
	MATHEMATICA	`QuadPrimes[2, 1, 2, 10000] (* see A106856 *)`
	CROSSREFS	`Sequence in context: A156314 A023186 A023188 this_sequence A100299 A038833 A003501` `Adjacent sequences: A106855 A106856 A106857 this_sequence A106859 A106860 A106861`
	KEYWORD	`nonn,easy`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), May 09 2005`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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