id:A110551 - OEIS Search Results

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Periodic {1,3,5,5,3,1}.

+0
3

1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1, 1, 3, 5, 5, 3, 1 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: (1+2x+3x^2+2x^3+x^4)/(1-x+x^2-x^3+x^4-x^5); a(n)=a(n-1)-a(n-2)+a(n-3)-a(n-4)+a(n-5); a(n)=3+2sin(pin/3)/sqrt(3)-2cos(pin/3); a(n)=mod(A001045(n+2), 6).` `a(n)=(1/15){3(n mod 6)+8[(n+1) mod 6]+8[(n+2) mod 6]+3[(n+3) mod 6]-2[(n+4) mod 6]-2*[(n+5) mod 6]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 11 2007`
	CROSSREFS	`Cf. A110549, A105198, A110550.` `Sequence in context: A077860 A078063 A019944 this_sequence A141334 A129488 A053670` `Adjacent sequences: A110548 A110549 A110550 this_sequence A110552 A110553 A110554`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jul 26 2005`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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