A021246 Decimal expansion of 1/242.

0, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0, 4, 9, 5, 8, 6, 7, 7, 6, 8, 5, 9, 5, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0, 4, 9, 5, 8, 6, 7, 7, 6, 8, 5, 9, 5, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0, 4, 9, 5, 8, 6, 7, 7, 6, 8, 5, 9, 5, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0, 4, 9, 5, 8, 6, 7, 7, 6, 8, 5, 9, 5, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0

Offset

0,3

Comments

After the initial "0", periodic with period length 22. - Wesley Ivan Hurt, May 24 2021

Links

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

Index entries for periodic sequences, period 22.

Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,0,0,0,0,-1,1).

Example

0.00413223140495867768595041322314049586776859504132231404958677685950413223....

Mathematica

Join[{0, 0}, RealDigits[1/242, 10, 120][[1]]] (* Harvey P. Dale, Oct 30 2018 *)
(* Alternative: *)
PadRight[{0}, 120, {5, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0, 4, 9, 5, 8, 6, 7, 7, 6, 8, 5, 9}] (* Harvey P. Dale, Oct 30 2018 *)

Prog

(PARI) a(n)=if(n, 9586776859404132231405\10^(n%22)%10, 0) \\ Charles R Greathouse IV, Jun 01 2026
(PARI) 1/242. \\ Charles R Greathouse IV, Jun 01 2026

Crossrefs

Sequence in context: A379148 A334810 A348566 * A301907 A197840 A360995

Adjacent sequences: A021243 A021244 A021245 * A021247 A021248 A021249

Keyword

nonn,cons,easy,changed

Author

N. J. A. Sloane

Status

approved