A086783 - OEIS

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A086783

Discriminant of the polynomial x^n - 1.

1, 4, -27, -256, 3125, 46656, -823543, -16777216, 387420489 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	FORMULA	`a(n) = (-1)^[(n-1)/2] * n^n = (-1)^[(n-1)/2] * A000312(n)`
	CROSSREFS	`Cf. A000312, A004124.` `Sequence in context: A201996 A158836 A190125 * A086756 A061510 A045512` `Adjacent sequences: A086780 A086781 A086782 * A086784 A086785 A086786`
	KEYWORD	`sign`
	AUTHOR	`Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 03 2003`

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.