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 A007739 Period of repeating digits of 1/n in base 8. 2
 1, 1, 2, 1, 4, 2, 1, 1, 2, 4, 10, 2, 4, 1, 4, 1, 8, 2, 6, 4, 2, 10, 11, 2, 20, 4, 6, 1, 28, 4, 5, 1, 10, 8, 4, 2, 12, 6, 4, 4, 20, 2, 14, 10, 4, 11, 23, 2, 7, 20, 8, 4, 52, 6, 20, 1, 6, 28, 58, 4, 20, 5, 2, 1, 4, 10, 22, 8, 22, 4, 35, 2, 3, 12, 20, 6, 10, 4, 13, 4, 18, 20, 82, 2, 8, 14, 28, 10, 11, 4, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS T. D. Noe, Table of n, a(n) for n=1..1000 MATHEMATICA DigitCycleLength[r_Rational, b_Integer?Positive] := MultiplicativeOrder[b, FixedPoint[ Quotient[#, GCD[#, b]] &, Denominator[r]]]; DigitCycleLength[1, b_Integer?Positive] = 1; Array[ DigitCycleLength[1/#, 8] &, 80] (* Robert G. Wilson v, Jun 10 2011 *) CROSSREFS Sequence in context: A194735 A130544 A214027 * A330086 A290935 A031424 Adjacent sequences:  A007736 A007737 A007738 * A007740 A007741 A007742 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Hal Sampson (hals(AT)easynet.com) EXTENSIONS More terms from David W. Wilson STATUS approved

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Last modified June 21 11:31 EDT 2021. Contains 345363 sequences. (Running on oeis4.)