id:A143795 - OEIS Search Results

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	OFFSET	`1,2`
	FORMULA	`a(n)= (22n-27-9(-1)^n)/4. G.f.: x(1+x+9x^2)/((1+x)(1-x)^2). a(n)=a(n-2)+11. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 04 2008]`
	CROSSREFS	`Sequence in context: A028424 A037311 A031257 this_sequence A032931 A072483 A081539` `Adjacent sequences: A143792 A143793 A143794 this_sequence A143796 A143797 A143798`
	KEYWORD	`nonn,easy`
	AUTHOR	`Luis Farfan (ljfarfan(AT)gmail.com), Sep 01 2008`
	EXTENSIONS	`Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 04 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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