A103131 - OEIS

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A103131

Minimal residue (in absolute value) of A001783(n) (mod n).

0, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, 1, -1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Wilson's theorem`
	FORMULA	`For n>1, a(n)=-1 if A060594(n)=2 or equivalently if n is in A033948; otherwise a(n)=1. - Max Alekseyev, May 26 2009`
	CROSSREFS	`Cf. A001783.` `Sequence in context: A165596 A070238 A062157 * A112347 A057427 A178334` `Adjacent sequences: A103128 A103129 A103130 * A103132 A103133 A103134`
	KEYWORD	`sign`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Jan 23, 2005`
	EXTENSIONS	`Definition rewritten by Max Alekseyev, May 26 2009`

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.