id:A143665 - OEIS Search Results

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a(n) is the least prime such that the multiplicative order of 5 mod a(n) equals n.

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2, 3, 31, 13, 11, 7, 19531, 313, 19, 521, 12207031, 601, 305175781, 29, 181, 17, 409, 5167, 191, 41, 379, 23 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A064081 A143663 A112092.` `Sequence in context: A093712 A035514 A114009 this_sequence A074479 A136150 A155056` `Adjacent sequences: A143662 A143663 A143664 this_sequence A143666 A143667 A143668`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Shevelev (shevelev(AT)bgu.ac.il), Aug 28 2008`

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Last modified November 22 15:28 EST 2009. Contains 167310 sequences.