id:A135019 - OEIS Search Results

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a(n)=-a(n-1)+2a(n-2)-a(n-3).

+0
1

0, 1, -3, 5, -12, 25, -54, 116, -249, 535, -1149 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`Sequence is identical to its signed second differences less first 3 terms.`
	CROSSREFS	`Adjacent sequences: A135016 A135017 A135018 this_sequence A135020 A135021 A135022` `Sequence in context: A090345 A030270 A129757 this_sequence A141685 A017921 A005913`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Feb 10 2008`

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.