id:A101825 - OEIS Search Results

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

+0
4

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; listen)

	OFFSET	`0,3`
	COMMENT	`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 (ppl(AT)spl.at), 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: A131556 A107751 A132367 this_sequence A057079 A087204 A131534` `Adjacent sequences: A101822 A101823 A101824 this_sequence A101826 A101827 A101828`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 17 2007`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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