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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

Index entries for sequences related to decimal expansion of 1/n

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 * A290935 A031424 A013942

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 January 22 05:11 EST 2019. Contains 319353 sequences. (Running on oeis4.)