A021485 Decimal expansion of 1/481.

0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2, 0, 7, 9, 0, 0, 2

Offset

0,3

Links

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

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

Formula

From Chai Wah Wu, Aug 10 2020: (Start)

a(n) = a(n-1) - a(n-2) + a(n-3) - a(n-4) + a(n-5) for n > 4.

G.f.: x^2*(-9*x^2 + 2*x - 2)/((x - 1)*(x^2 - x + 1)*(x^2 + x + 1)). (End)

Mathematica

Join[{0, 0}, RealDigits[1/481, 10, 120][[1]]] (* or *) PadRight[{}, 120, {0, 0, 2, 0, 7, 9}] (* Harvey P. Dale, Jul 22 2015 *)

Crossrefs

Sequence in context: A049006 A211113 A011389 * A019821 A016631 A164269

Adjacent sequences: A021482 A021483 A021484 * A021486 A021487 A021488

Keyword

nonn,cons

Author

N. J. A. Sloane.

Status

approved