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A053446 Multiplicative order of 3 mod n, where gcd(n, 3) = 1. 7
1, 1, 2, 4, 6, 2, 4, 5, 3, 6, 4, 16, 18, 4, 5, 11, 20, 3, 6, 28, 30, 8, 16, 12, 18, 18, 4, 8, 42, 10, 11, 23, 42, 20, 6, 52, 20, 6, 28, 29, 10, 30, 16, 12, 22, 16, 12, 35, 12, 18, 18, 30, 78, 4, 8, 41, 16, 42, 10, 88, 6, 22, 23, 36, 48, 42, 20, 100, 34, 6, 52, 53, 27, 20, 12, 112, 44 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

Essentially the same as A050975. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 13 2008]

MATHEMATICA

MultiplicativeOrder[3, #] & /@ Select[ Range@ 115, GCD[3, #] == 1 &] (* Robert G. Wilson v, Apr 05 2011 *)

CROSSREFS

Sequence in context: A075242 A161489 A050975 * A133903 A094752 A071294

Adjacent sequences:  A053443 A053444 A053445 * A053447 A053448 A053449

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.