A053452 - OEIS

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A053452

Multiplicative order of 9 mod n, where GCD(n, 9) = 1.

1, 1, 1, 2, 3, 1, 2, 5, 3, 3, 2, 8, 9, 2, 5, 11, 10, 3, 3, 14, 15, 4, 8, 6, 9, 9, 2, 4, 21, 5, 11, 23, 21, 10, 3, 26, 10, 3, 14, 29, 5, 15, 8, 6, 11, 8, 6, 35, 6, 9, 9, 15, 39, 2, 4, 41, 8, 21, 5, 44, 3, 11, 23, 18, 24, 21, 10, 50, 17, 3, 26, 53, 27, 10, 6, 56, 22, 14, 29, 24, 5, 5, 15, 50 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	COMMENTS	`Essentially the same as A050981. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 13 2008]`
	MATHEMATICA	`MultiplicativeOrder[9, #] & /@ Select[ Range@ 125, GCD[9, #] == 1 &] (* Robert G. Wilson v, Apr 05 2011 *)`
	CROSSREFS	`Cf. A070679.` `Sequence in context: A131227 A190257 A050981 * A023986 A109202 A117488` `Adjacent sequences: A053449 A053450 A053451 * A053453 A053454 A053455`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified February 14 09:42 EST 2012. Contains 205614 sequences.