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A007737
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Period of repeating digits of 1/n in base 6.
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3
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1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 10, 1, 12, 2, 1, 1, 16, 1, 9, 1, 2, 10, 11, 1, 5, 12, 1, 2, 14, 1, 6, 1, 10, 16, 2, 1, 4, 9, 12, 1, 40, 2, 3, 10, 1, 11, 23, 1, 14, 5, 16, 12, 26, 1, 10, 2, 9, 14, 58, 1, 60, 6, 2, 1, 12, 10, 33, 16, 11, 2, 35, 1, 36, 4, 5, 9, 10, 12, 78, 1, 1, 40, 82, 2, 16, 3, 14, 10
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,7
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COMMENTS
| Not multiplicative. Smallest counterexample: a(77)=10, but a(7) = 2 and a(11) = 10. Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu) May 16, 2005.
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LINKS
| T. D. Noe, Table of n, a(n) for n=1..1000
Index entries for sequences related to decimal expansion of 1/n
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MATHEMATICA
| DigitCycleLength[r_Rational, b_Integer?Positive] := MultiplicativeOrder[b, FixedPoint[ Quotient[#, GCD[#, b]] &, Denominator[r]]]; DigitCycleLength[1, b_Integer?Positive] = 1; Array[ DigitCycleLength[1/#, 6] &, 80] (* Robert G. Wilson v, June 10 2011 *)
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CROSSREFS
| Sequence in context: A065521 A156188 A179930 * A105688 A066017 A079834
Adjacent sequences: A007734 A007735 A007736 * A007738 A007739 A007740
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KEYWORD
| nonn,base
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Hal Sampson [ hals(AT)easynet.com ]
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EXTENSIONS
| More terms from David W. Wilson (davidwwilson(AT)comcast.net)
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