id:A108413 - OEIS Search Results

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Expansion of (1+x+5x^2+2x^3)/(1-4x^2+x^4).

+0
1

1, 1, 1, -2, -5, 7, 19, -26, -71, 97, 265, -362, -989, 1351, 3691, -5042, -13775, 18817, 51409, -70226, -191861, 262087, 716035, -978122, -2672279, 3650401, 9973081, -13623482, -37220045, 50843527, 138907099, -189750626, -518408351 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(0)=a(1)=a(2)=1, a(n)a(n+3) - a(n+1)a(n+2) = -3.`
	CROSSREFS	`Unsigned values are in A002531.` `Sequence in context: A128005 A045359 A042809 this_sequence A002531 A042449 A046115` `Adjacent sequences: A108410 A108411 A108412 this_sequence A108414 A108415 A108416`
	KEYWORD	`sign`
	AUTHOR	`Ralf Stephan, Jun 05 2005`

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

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