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A010723 Period 2: repeat (6,7). 2
6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6, 7, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Continued fraction of 3+sqrt(483)/7 = A176399. - R. J. Mathar, Nov 21 2011

LINKS

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

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

FORMULA

a(n)=-(1/2)*(-1)^n+13/2; a(n)=7*(n mod 2)+6*[(n+1) mod 2] - Paolo P. Lava, Oct 27 2006

G.f. (-6-7*x) / ( (x-1)*(1+x) ). - R. J. Mathar, Nov 21 2011

PROG

(PARI) a(n)=n%2+6 \\ Charles R Greathouse IV, Jul 13 2016

CROSSREFS

Sequence in context: A186282 A171909 A199079 * A244588 A223172 A115096

Adjacent sequences:  A010720 A010721 A010722 * A010724 A010725 A010726

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 19 04:25 EDT 2019. Contains 325144 sequences. (Running on oeis4.)