A010730 - OEIS

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A010730

(17 -3*(-1)^n)/2.

7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10, 7, 10 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index to sequences with linear recurrences with constant coefficients, signature (0,1).`
	FORMULA	`Period 2.` `a(n)=-3/2(-1)^n+17/2 a(n)=10(n mod 2)+7[(n+1) mod 2] - Paolo P. Lava (paoloplava(AT)gmail.com), Oct 27 2006` `G.f. ( -7-10x ) / ( (x-1)*(1+x) ). - R. J. Mathar, Nov 21 2011`
	CROSSREFS	`Sequence in context: A122577 A180732 A070405 * A079004 A192268 A117319` `Adjacent sequences: A010727 A010728 A010729 * A010731 A010732 A010733`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 14 15:39 EST 2012. Contains 205635 sequences.