A132708 - OEIS

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A132708

First differences of A070366.

4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1, 4, 2, 1, -4, -2, -1 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	FORMULA	`Hexaperiodic or period 6: repeat 4, 2, 1, -4, -2, -1.` `a(n)=(1/6){-5(n mod 6)-[(n+1) mod 6]-2[(n+2) mod 6]+5[(n+3) mod 6]+[(n+4) mod 6]+2[(n+5) mod 6]}, with n>=0 - Paolo P. Lava (paoloplava(AT)gmail.com), Dec 19 2007`
	CROSSREFS	`Sequence in context: A023526 A082901 A136619 * A153727 A016506 A133455` `Adjacent sequences: A132705 A132706 A132707 * A132709 A132710 A132711`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Nov 16 2007`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.