A010698 - OEIS

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A010698

Period 2: repeat (2,8).

2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2, 8, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`This is the regular (simple) continued fraction for (2+sqrt(5))/2. - Antonia Redondo Buitrago, Jul 30 2009`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (0,1).`
	FORMULA	`a(n)=-3(-1)^n+5 =8(n mod 2)+2[(n+1) mod 2] - Paolo P. Lava (paoloplava(AT)gmail.com), Oct 20 2006` `G.f.: 2(1+4x)/((1-x)(1+x)). a(n)=2A010685(n). [From R. J. Mathar, Oct 20 2008]`
	CROSSREFS	`Sequence in context: A141449 A065485 A064912 * A010466 A086396 A195844` `Adjacent sequences: A010695 A010696 A010697 * A010699 A010700 A010701`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 18:50 EST 2012. Contains 205840 sequences.