A022958 - OEIS

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A022958

2-n.

2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40, -41, -42, -43, -44, -45, -46, -47, -48, -49, -50, -51, -52, -53, -54, -55 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Tanya Khovanova, Recursive Sequences`
	FORMULA	`G.f.: (2-3x)/(1-x)^2; E.g.f.: exp(x)(2-x); - Paul Barry (pbarry(AT)wit.ie), Mar 31 2007` `a(n)=2a(n-1)-a(n-2); a(0)=2, a(1)=1. [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 03 2008]`
	CROSSREFS	`Sequence in context: A065358 A062329 * A023444 A136868 A145895 A114503` `Adjacent sequences: A022955 A022956 A022957 * A022959 A022960 A022961`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 15:39 EST 2012. Contains 205635 sequences.