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A021247
Decimal expansion of 1/243.
2
0, 0, 4, 1, 1, 5, 2, 2, 6, 3, 3, 7, 4, 4, 8, 5, 5, 9, 6, 7, 0, 7, 8, 1, 8, 9, 3, 0, 0, 4, 1, 1, 5, 2, 2, 6, 3, 3, 7, 4, 4, 8, 5, 5, 9, 6, 7, 0, 7, 8, 1, 8, 9, 3, 0, 0, 4, 1, 1, 5, 2, 2, 6, 3, 3, 7, 4, 4, 8, 5, 5, 9, 6, 7, 0, 7, 8, 1, 8, 9, 3, 0, 0, 4, 1, 1, 5, 2, 2, 6, 3, 3, 7, 4, 4, 8, 5, 5, 9
OFFSET
0,3
COMMENTS
Period 27 Repeat: [0, 0, 4, 1, 1, 5, 2, 2, 6, 3, 3, 7, 4, 4, 8, 5, 5, 9, 6, 7, 0, 7, 8, 1, 8, 9, 3]. - Wesley Ivan Hurt, May 25 2014
FORMULA
1/243 = 1/3^5. - M. F. Hasler, Apr 23 2021
EXAMPLE
0.00411522633744855967078189300411522633744855967078189300411522633744855967078...
MAPLE
Digits:=100; evalf(1/243); # Wesley Ivan Hurt, May 25 2014
MATHEMATICA
RealDigits[1/243, 10, 100, -1][[1]] (* Wesley Ivan Hurt, May 25 2014; corrected by Harvey P. Dale, Jan 23 2019 *)
PadRight[{}, 120, {0, 0, 4, 1, 1, 5, 2, 2, 6, 3, 3, 7, 4, 4, 8, 5, 5, 9, 6, 7, 0, 7, 8, 1, 8, 9, 3}] (* Harvey P. Dale, Jan 23 2019 *)
PROG
(PARI) A021247_upto(N=100)={localprec(N+3); digits((1/3^5+1)\.1^N)[^1]} \\ M. F. Hasler, Apr 23 2021
CROSSREFS
Cf. A010701 (1/3), A000012 (1/3^2), A021085 (1/3^4), A021733 (1/3^6).
Cf. A068542 (period of the fraction 1/3^n).
Sequence in context: A136680 A288580 A035589 * A016522 A153843 A318795
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Dec 11 1996
STATUS
approved