id:A131743 - OEIS Search Results

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Period 4: repeat 0, 1, 0, 2.

+0
1

0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(n)=(1/8){5(n mod 4)-3[(n+1) mod 4]+3[(n+2) mod 4]-[(n+3) mod 4]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Oct 02 2007` `G.f.: -x(1+2x^2)/(x-1)/(x+1)/(x^2+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 15 2007` `a(n) = 3/4-1/2sin(1/2Pin)+3/4(-1)^(1+n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 15 2007` `a(n)=3/4+[(1/4)I]I^n-(3/4)(-1)^n-[(1/4)I]*(-I)^n, with n>=0 and I=sqrt(-1) - Paolo P. Lava (ppl(AT)spl.at), Jul 17 2008`
	CROSSREFS	`Sequence in context: A035177 A070105 A111397 this_sequence A147648 A113686 A039997` `Adjacent sequences: A131740 A131741 A131742 this_sequence A131744 A131745 A131746`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Sep 20 2007`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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