id:A077954 - OEIS Search Results

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

+0
2

1, 1, -1, -2, 1, 4, 0, -7, -3, 11, 10, -15, -24, 16, 49, -7, -89, -26, 145, 108, -208, -279, 245, 595, -174, -1119, -176, 1888, 1121, -2831, -3185, 3598, 7137, -3244, -13920, -295, 24301, 10971, -37926, -35567, 51256, 84464, -53615, -171287, 20407, 309366, 97265, -501060, -386224, 713161 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(0)=1, a(1)=1, a(2)=-1, a(n)=a(n-1)-2*a(n-2)+a(n-3) for n>=3 . - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Sep 15 2006`
	CROSSREFS	`Sequence in context: A126707 A057458 A011017 this_sequence A077979 A122161 A067164` `Adjacent sequences: A077951 A077952 A077953 this_sequence A077955 A077956 A077957`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 17 2002`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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