A021312 Decimal expansion of 1/308.

0, 0, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3, 2, 4, 6, 7, 5, 3

Offset

0,3

Links

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

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

Formula

From Chai Wah Wu, Apr 18 2024: (Start)

a(n) = a(n-1) - a(n-3) + a(n-4) for n > 5.

G.f.: x^2*(-5*x^3 - 2*x^2 + x - 3)/(x^4 - x^3 + x - 1). (End)

Example

0.00324675324675324...

Mathematica

Join[{0, 0}, RealDigits[1/308, 10, 120][[1]]] (* or *) PadRight[{0, 0}, 120, {7, 5, 3, 2, 4, 6}] (* Harvey P. Dale, Mar 22 2016 *)

Crossrefs

Sequence in context: A014685 A239516 A365533 * A099258 A264905 A254052

Adjacent sequences: A021309 A021310 A021311 * A021313 A021314 A021315

Keyword

nonn,cons,easy

Author

N. J. A. Sloane.

Status

approved