id:A131670 - OEIS Search Results

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Period 5: repeat 1, 0, -1, 0, 1.

+0
1

1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 1, 0 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n)=(1/50){(n mod 5)-9[(n+1) mod 5]-9[(n+2) mod 5]+11[(n+3) mod 5]+11*[(n+4) mod 5]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Oct 24 2007`
	PROGRAM	`(PARI) a(n)=abs(n%5-2)-1 [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Aug 28 2009]`
	CROSSREFS	`Sequence in context: A134540 A128430 A113704 this_sequence A155482 A114483 A127822` `Adjacent sequences: A131667 A131668 A131669 this_sequence A131671 A131672 A131673`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Oct 03 2007`

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.

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