id:A077920 - OEIS Search Results

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

+0
2

1, -1, 4, -7, 18, -38, 88, -195, 441, -988, 2223, -4992, 11220, -25208, 56645, -127277, 285992, -642615, 1443946, -3244514, 7290360, -16381287, 36808421, -82707768, 185842671, -417584688, 938304280, -2108350576, 4737420745, -10644887785, 23918845740, -53745158519, 120764274994 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n)=(-1)^n*A124400(n) . - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 18 2006`
	CROSSREFS	`Sequence in context: A011948 A146387 A124400 this_sequence A135582 A100828 A132207` `Adjacent sequences: A077917 A077918 A077919 this_sequence A077921 A077922 A077923`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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