A021247 Decimal expansion of 1/243.

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

Links

Table of n, a(n) for n=0..98.

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

Adjacent sequences: A021244 A021245 A021246 * A021248 A021249 A021250

Keyword

nonn,cons

Author

N. J. A. Sloane, Dec 11 1996

Status

approved