A010697 - OEIS

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A010697

Period 2: repeat (2,7).

2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2, 7, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (0,1).`
	FORMULA	`a(n)=-5/2(-1)^n+9/2 =7(n mod 2)+2*[(n+1) mod 2] - Paolo P. Lava (paoloplava(AT)gmail.com), Oct 20 2006` `G.f.: (2+7x)/((1-x)(1+x)). - R. J. Mathar, Nov 21 2011`
	CROSSREFS	`Sequence in context: A102447 A151869 A181284 * A088666 A170854 A197133` `Adjacent sequences: A010694 A010695 A010696 * A010698 A010699 A010700`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 05:09 EST 2012. Contains 205694 sequences.