A021559 Decimal expansion of 1/555.

0, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1, 8, 0, 1

Offset

0,4

Links

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

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

Formula

a(n) = (n+2)^3 mod 9, n>0. - Gary Detlefs, Feb 20 2011

G.f.: x^2*(1 + 8*x)/(1 - x^3). - Ilya Gutkovskiy, Jun 04 2016

Example

0.00180180180180180180180180180180180...

Mathematica

PadRight[{0}, 100, {8, 0, 1}] (* Paolo Xausa, Feb 22 2024 *)

Prog

(PARI) 1/555.0 \\ Michel Marcus, Jun 04 2016

Crossrefs

Sequence in context: A241215 A272343 A011314 * A167176 A354631 A195447

Adjacent sequences: A021556 A021557 A021558 * A021560 A021561 A021562

Keyword

nonn,cons

Author

N. J. A. Sloane

Extensions

Formula corrected by Paolo P. Lava, Nov 20 2009

Status

approved