A054354 - OEIS

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A054354

First differences of Kolakoski sequence A000002.

1, 0, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1, 0, 1, -1, 0, 1, 0, -1, 1, -1, 0, 1, -1, 1, 0, -1, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1, 0, 1, -1, 1, 0, -1, 1, -1, 0, 1, -1, 0, 1, 0, -1, 1, 0, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, -1, 0, 1, 0, -1, 1, 0, -1, 0, 1, -1, 1, 0, -1, 1, 0, -1 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..93.`
	FORMULA	`Abs(a(n))=(A000002(n)+A000002(n+1)) mod 2 - Benoit Cloitre, Nov 17 2003`
	CROSSREFS	`Cf. A000002, A054353.` `Sequence in context: A123110 A004593 A094934 * A156728 A074332 A152065` `Adjacent sequences: A054351 A054352 A054353 * A054355 A054356 A054357`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane, May 07 2000`
	STATUS	`approved`

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Last modified May 18 21:01 EDT 2013. Contains 225428 sequences.