id:A133145 - OEIS Search Results

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Period 4: repeat 1, 2, 4, 8 .

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1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8, 1, 2, 4, 8 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) == 2a(n-1) mod 15 .` `a(n)=(1/8){19(n mod 4)-3[(n+1) mod 4]+[(n+2) mod 4]+3[(n+3) mod 4]}, with n>=0. - Paolo P. Lava (ppl(AT)spl.at), Jul 03 2008` `a(n)=15/4-[3/4-(3/2)I]I^n-(5/4)(-1)^n-[3/4+(3/2)I]*(-I)^n, with n>=0 and I=sqrt(-1) - Paolo P. Lava (ppl(AT)spl.at), Jul 17 2008`
	CROSSREFS	`Sequence in context: A010743 A072032 A023104 this_sequence A008952 A021407 A131609` `Adjacent sequences: A133142 A133143 A133144 this_sequence A133146 A133147 A133148`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Dec 16 2007`

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.

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