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A010728 Period 2: repeat (7,8). 2
7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7, 8, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

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+15/2  =8*(n mod 2)+7*[(n+1) mod 2] - Paolo P. Lava, Oct 27 2006

G.f. (-7-8*x) / ( (x-1)*(1+x) ). - R. J. Mathar, Nov 21 2011

MATHEMATICA

PadRight[{}, 120, {7, 8}] (* Harvey P. Dale, Dec 15 2012 *)

PROG

(PARI) a(n)=7+n%2 \\ Charles R Greathouse IV, Dec 21 2011

CROSSREFS

Cf. A176440.

Sequence in context: A064859 A233778 A217168 * A291509 A153856 A239362

Adjacent sequences:  A010725 A010726 A010727 * A010729 A010730 A010731

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 18 07:10 EDT 2019. Contains 325134 sequences. (Running on oeis4.)