A077926 - OEIS

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A077926

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

1, -1, 3, -6, 14, -30, 67, -147, 325, -716, 1580, -3484, 7685, -16949, 37383, -82450, 181850, -401082, 884615, -1951079, 4303241, -9491096, 20933272, -46169784, 101830665, -224594601, 495358987, -1092548638, 2409691878, -5314742742, 11722034123, -25853760123, 57022262989, -125766560100 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`a(n)=-a(n-1)+2a(n-2)-a(n-3)+a(n-4). - Nour-Eddine Fahssi (fahssin(AT)yahoo.fr), Mar 29 2008`
	CROSSREFS	`Sequence in context: A175656 A196450 A131244 * A091601 A063119 A106803` `Adjacent sequences: A077923 A077924 A077925 * A077927 A077928 A077929`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002`
	EXTENSIONS	`More terms from Nour-Eddine Fahssi (fahssin(AT)yahoo.fr), Mar 29 2008`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.