A021022 Decimal expansion of 1/18.

0, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons
• easy

Examples

			0.05555555555555555555555555555555555555555555555555...
		

Links

• Hideyuki Ohtsuka, Problem B-1174, Elementary Problems and Solutions, Fibonacci Quart. 54 (2016), no. 3, p. 273.
• Index entries for linear recurrences with constant coefficients, signature (1).

Crossrefs

Cf. A010716, A244855.

Programs

Mathematica

PadRight[{0}, 100, 5] (* Paolo Xausa, Nov 24 2024 *)

Formula

Equals -Sum_{n>=3} (-1)^n/(Fibonacci(n)^4-1). - Michel Marcus, May 14 2021

From Elmo R. Oliveira, Aug 05 2024: (Start)

G.f.: 5*x/(1-x).

E.g.f.: 5*(exp(x) - 1).

a(n) = 5 for n >= 1. (End)