A021043 Decimal expansion of 1/39.

0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5, 6, 4, 1, 0, 2, 5

Offset

0,2

Comments

The 6-digit cycle 1,0,2,5,6,4 in this sequence and the others based on thirty-ninths, gives the successive digits of the smallest integer which is multiplied by four when the final digit is moved from the right hand end to the left hand end. - Ian Duff, Jan 09 2009

Links

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

Index entries for periodic sequences, period 6.

Index entries for linear recurrences with constant coefficients, signature (2, -2, 1).

Example

0.02564102564102564102564102564102564102564102564102564102564102564102564102....

Maple

evalf(1/39, 100); # Wesley Ivan Hurt, Jan 29 2017

Mathematica

Join[{0}, RealDigits[1/39, 10, 120][[1]]] (* or *) PadRight[{}, 120, {0, 2, 5, 6, 4, 1}] (* Harvey P. Dale, Nov 17 2013 *)

Prog

(PARI) a(n)=28728\7^(n%6)%7 \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A362977 A353604 A021979 * A213736 A202343 A154946

Adjacent sequences: A021040 A021041 A021042 * A021044 A021045 A021046

Keyword

nonn,cons,easy,changed

Author

N. J. A. Sloane

Status

approved