A021291 Decimal expansion of 1/287.

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

Offset

0,3

Comments

Periodic, with period = 30. - Harvey P. Dale, Jan 20 2020

Links

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

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

Formula

G.f.: x^2*(7*x^27 + 7*x^26 + 7*x^25 + x^24 + 7*x^23 + 2*x^22 + 6*x^21 + 6*x^19 + 8*x^18 + 9*x^17 + x^16 + 9*x^15 + 8*x^14 + 2*x^13 + x^12 + 9*x^11 + 4*x^10 + 7*x^9 + 5*x^8 + 5*x^7 + 2*x^5 + 3*x^4 + 4*x^3 + 8*x^2 + 4*x + 3)/(1 - x^30). - Chai Wah Wu, Jun 21 2016

Mathematica

Join[{0, 0}, RealDigits[1/287, 10, 120][[1]]] (* or *) LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}, {0, 0, 3, 4, 8, 4, 3, 2, 0, 5, 5, 7, 4, 9, 1, 2, 8, 9, 1, 9, 8, 6, 0, 6, 2, 7, 1, 7, 7, 7}, 120] (* Harvey P. Dale, Jan 20 2020 *)

Crossrefs

Sequence in context: A306568 A154743 A020812 * A179104 A198125 A127122

Adjacent sequences: A021288 A021289 A021290 * A021292 A021293 A021294

Keyword

nonn,cons

Author

N. J. A. Sloane.

Status

approved