A099925 - OEIS

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A099925

Lucas(n) + (-1)^n.

3, 0, 4, 3, 8, 10, 19, 28, 48, 75, 124, 198, 323, 520, 844, 1363, 2208, 3570, 5779, 9348, 15128, 24475, 39604, 64078, 103683, 167760, 271444, 439203, 710648, 1149850, 1860499, 3010348, 4870848, 7881195, 12752044, 20633238, 33385283 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (0,2,1).`
	FORMULA	`G.f.: (3-2x^2)/[(1+x)(1-x-x^2)].`
	CROSSREFS	`Equals A068397(n) - 1, n>2. Cf. A000032, A098600.` `Sequence in context: A072480 A181839 A100939 * A201563 A016644 A019789` `Adjacent sequences: A099922 A099923 A099924 * A099926 A099927 A099928`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Nov 02 2004`

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Last modified February 16 01:27 EST 2012. Contains 205860 sequences.