id:A010721 - OEIS Search Results

Search: id:A010721

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Period 2.

+0
1

5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10, 5, 10 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n)=-5/2(-1)^n+15/2 a(n)=10(n mod 2)+5[(n+1) mod 2] - Paolo P. Lava (ppl(AT)spl.at), Oct 27 2006` `G.f.: 5(1+2x)/((1-x)(1+x)). a(n)=5A000034(n). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 20 2008]`
	CROSSREFS	`Sequence in context: A053822 A137404 A110643 this_sequence A046795 A005093 A103697` `Adjacent sequences: A010718 A010719 A010720 this_sequence A010722 A010723 A010724`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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