id:A131731 - OEIS Search Results

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a(4n) = n, a(4n+1) = -n-1, a(4n+2) = n+2, a(4n+3) = -n-1.

+0
1

2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3, 2, -3, 4, -3 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n)=(1/4){-5(n mod 4)+7[(n+1) mod 4]-7[(n+2) mod 4]+5*[(n+3) mod 4]}, with n>=0. - Paolo P. Lava (ppl(AT)spl.at), Nov 19 2007`
	CROSSREFS	`Sequence in context: A122453 A017849 A134536 this_sequence A111880 A101497 A065870` `Adjacent sequences: A131728 A131729 A131730 this_sequence A131732 A131733 A131734`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Sep 17 2007`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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