A077970 - OEIS

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A077970

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

1, -1, 3, -7, 15, -35, 79, -179, 407, -923, 2095, -4755, 10791, -24491, 55583, -126147, 286295, -649755, 1474639, -3346739, 7595527, -17238283, 39122815, -88790435, 201512631, -457339131, 1037945263, -2355648787, 5346217575, -12133405675, 27537138399, -62496384899, 141837473047 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Cf. A077946, A078040.` `Sequence in context: A147379 A153588 A077946 * A174284 A182892 A124696` `Adjacent sequences: A077967 A077968 A077969 * A077971 A077972 A077973`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002`

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Last modified February 14 22:15 EST 2012. Contains 205670 sequences.