A077987 - OEIS

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A077987

Expansion of 1/(1+2*x-x^2+2*x^3).

1, -2, 5, -14, 37, -98, 261, -694, 1845, -4906, 13045, -34686, 92229, -245234, 652069, -1733830, 4610197, -12258362, 32594581, -86667918, 230447141, -612751362, 1629285701, -4332217046, 11519222517, -30629233482, 81442123573, -216551925662, 575804441861, -1531045056530 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A099485 A038990 A077938 * A143141 A117294 A148306` `Adjacent sequences: A077984 A077985 A077986 * A077988 A077989 A077990`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002`

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Last modified February 15 08:45 EST 2012. Contains 205736 sequences.