id:A106312 - OEIS Search Results

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Possible negative values of the discriminant of irreducible monic integral cubic polynomials.

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23, 31, 44, 59, 76, 83, 87, 104, 107, 108, 116, 135, 139, 140, 152, 172, 175, 176, 199, 200, 204, 211, 212, 216, 231, 236, 239, 243, 244, 247, 255, 268, 279, 283, 300, 304, 307, 324, 327, 331, 332, 335, 339, 351, 356, 364, 367, 379, 411, 416, 419, 424, 428 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`These discriminants were found by examining all irreducible integral cubic polynomials x^3+ax^2+bx+c for a,b,c in [ -30,30]. Closely related to A023679, discriminants of complex cubic fields.`
	LINKS	`Eric Weisstein's World of Mathematics, Polynomial Discriminant`
	CROSSREFS	`Sequence in context: A060328 A034962 A133659 this_sequence A023679 A107662 A083370` `Adjacent sequences: A106309 A106310 A106311 this_sequence A106313 A106314 A106315`
	KEYWORD	`nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), May 17 2005`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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