id:A051796 - OEIS Search Results

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a(n)=sum((-1)^i*a(i),i=n-9..n-1); with a(i)=i for i=1..9.

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1, 2, 3, 4, 5, 6, 7, 8, 9, -5, -9, -2, -1, -4, -3, -6, -5, -8, -7, 5, 1, 2, 3, 4, 5, 6, 7, 8, 9, -5, -9, -2, -1, -4, -3, -6, -5, -8, -7, 5, 1, 2, 3, 4, 5, 6, 7, 8, 9, -5, -9, -2, -1, -4, -3, -6, -5, -8, -7, 5, 1, 2, 3, 4, 5, 6, 7, 8, 9, -5, -9, -2, -1, -4, -3, -6, -5, -8, -7, 5, 1, 2, 3, 4, 5, 6, 7, 8, 9, -5, -9, -2, -1, -4, -3, -6, -5, -8, -7, 5, 1 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n+20)=a(n)`
	CROSSREFS	`Sequence in context: A028900 A081596 A061500 this_sequence A093030 A122425 A074044` `Adjacent sequences: A051793 A051794 A051795 this_sequence A051797 A051798 A051799`
	KEYWORD	`easy,sign`
	AUTHOR	`Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 10 1999`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), Feb 05 2001`

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

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