A101825 - OEIS

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A101825

G.f.: x*(1+x)^2/(1-x^3).

0, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`Period 3. Used in A042965.` `First differences are essentially A049347. The binomial transform yields 0, 1, 4, 10,... i.e. A111927 with the first two zeros removed. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 14 2008`
	LINKS	`Index entries for sequences related to linear recurrences with constant coefficients`
	FORMULA	`a(n)=(1/9){7(n mod 3)+[(n+1) mod 3]+4*[(n+2) mod 3]}+[(n+2) mod (n+1)]-1, with n>=0 - Paolo P. Lava (paoloplava(AT)gmail.com), Aug 29 2007` `a(n)=A100063(n+1), n>0. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 01 2008]`
	CROSSREFS	`Sequence in context: A132367 A087204 * A177702 A131534 A061347 A115579` `Adjacent sequences: A101822 A101823 A101824 * A101826 A101827 A101828`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 17 2007`

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.