A078042 - OEIS

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A078042

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

1, -2, 3, -6, 11, -20, 37, -68, 125, -230, 423, -778, 1431, -2632, 4841, -8904, 16377, -30122, 55403, -101902, 187427, -344732, 634061, -1166220, 2145013, -3945294, 7256527, -13346834, 24548655, -45152016, 83047505, -152748176, 280947697, -516743378, 950439251, -1748130326, 3215312955 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Absolute values are in A001590.` `Sequence in context: A065615 A054182 A001590 * A115792 A054177 A186546` `Adjacent sequences: A078039 A078040 A078041 * A078043 A078044 A078045`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002`

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.