0,2

Table of n, a(n) for n=0..80.

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

Period 2.

a(n) = 9/2*[1 - (-1)^n], a(n) = 9*(n mod 2) - Paolo P. Lava, Oct 31 2006

1/11 = 0.0909090909090909090909090909090909090909090909090909090909...

RealDigits[1/11, 10, 100][[1]] (* Alonso del Arte, Mar 11 2018 *)

(PARI) a(n) = 9*(n%2); \\ Altug Alkan, Mar 25 2018

Sequence in context: A272965 A059058 A021015 * A248724 A278144 A198220

Adjacent sequences: A010677 A010678 A010679 * A010681 A010682 A010683

nonn,easy,cons

N. J. A. Sloane.

approved