id:A112132 - OEIS Search Results

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Period 4: repeat 1 3 1 7.

+0
2

1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3, 1, 7, 1, 3 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=2(n mod 4)-[(n+1) mod 4]+[(n+2) mod 4], with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Aug 29 2007` `a(n)=3+II^n-2(-1)^n-I(-I)^n, with n>=0 and I=sqrt(-1) - Paolo P. Lava (ppl(AT)spl.at), Jul 17 2008`
	CROSSREFS	`First differences of A112062.` `Also half of the first differences of A112072. Cf. A112086.` `Sequence in context: A097612 A136011 A021991 this_sequence A053381 A038712 A065745` `Adjacent sequences: A112129 A112130 A112131 this_sequence A112133 A112134 A112135`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)iki.fi), Aug 28 2005`

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Last modified August 28 11:49 EDT 2008. Contains 143094 sequences.

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