A019478 - OEIS

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A019478

a(n) = 5*a(n-1) + a(n-2) - 3*a(n-3) (agrees with A019477 only for n <= 23).

3, 15, 76, 386, 1961, 9963, 50618, 257170, 1306579, 6638211, 33726124, 171349094, 870556961, 4422955527, 22471287314, 114167721214, 580041026803, 2946958993287, 14972332829596, 76068500060858 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,1`
	REFERENCES	`R. K. Guy, personal communication.`
	LINKS	`Table of n, a(n) for n=0..19.`
	FORMULA	`O.g.f.: (3-2x^2)/(1-5x-x^2+3x^3). R. J. Mathar, May 09 2008`
	CROSSREFS	`Sequence in context: A037759 A037647 A019477 * A151327 A125700 A037766` `Adjacent sequences: A019475 A019476 A019477 * A019479 A019480 A019481`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane.`
	STATUS	`approved`

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Last modified June 18 17:20 EDT 2013. Contains 226355 sequences.