id:A146082 - OEIS Search Results

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A146081(n) mod 9.

+0
1

2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0, 2, 4, 6, 8, 1, 3, 5, 7, 0 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`A periodic double sawtooth pattern of positive even and odd numbers.`
	FORMULA	`a(n) = A131669(n+2)-1.` `Period length 9: a(n+9)=a(n).` `a(n)=(1/9){-(n mod 9)+8[(n+1) mod 9]-[(n+2) mod 9]-[(n+3) mod 9]-[(n+4) mod 9]+8*[(n+5) mod 9]-[(n+6) mod 9]-[(n+7) mod 9]-[(n+8) mod 9]}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Nov 06 2008]`
	CROSSREFS	`Sequence in context: A036211 A127353 A032763 this_sequence A004092 A133311 A088402` `Adjacent sequences: A146079 A146080 A146081 this_sequence A146083 A146084 A146085`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Oct 27 2008`
	EXTENSIONS	`Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 08 2008`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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