id:A100285 - OEIS Search Results

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Expansion of (1+5x^2)/(1-x+x^2-x^3).

+0
2

1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`This sequence is periodic. - T. D. Noe (noe(AT)sspectra.com), Nov 09 2006`
	FORMULA	`a(n)=a(n-1)-a(n-2)+a(n-3); a(n)=3-2cos(pin/2)-2sin(pin/2); a(n)=mod(A100284(n), 8).` `a(n)=1/2{3(n mod 4)+[(n+1) mod 4]-[(n+2) mod 4]+[(n+3) mod 4]} - Paolo P. Lava (ppl(AT)spl.at), Nov 21 2006`
	CROSSREFS	`Adjacent sequences: A100282 A100283 A100284 this_sequence A100286 A100287 A100288` `Sequence in context: A046585 A046584 A046599 this_sequence A046568 A046571 A046095`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Nov 11 2004`
	EXTENSIONS	`Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 09 2006`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

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