id:A106866 - OEIS Search Results

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Primes of the form 2x^2+xy+3y^2, with x and y nonnegative.

+0
2

2, 3, 13, 41, 71, 127, 139, 179, 257, 269, 311, 331, 409, 439, 443, 461, 541, 587, 673, 739, 761, 823, 887, 967, 1051, 1061, 1087, 1129, 1153, 1223, 1237, 1277, 1373, 1381, 1409, 1427, 1439, 1567, 1619, 1733, 1741, 1783, 1933, 1973, 2017, 2063 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Discriminant=-23. See A106856 for more information.`
	MATHEMATICA	`QuadPrimes[2, 1, 3, 10000] (* see A106856 *)`
	CROSSREFS	`Sequence in context: A141511 A117528 A122719 this_sequence A164133 A164511 A105050` `Adjacent sequences: A106863 A106864 A106865 this_sequence A106867 A106868 A106869`
	KEYWORD	`nonn,easy`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), May 09 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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