A010733 Period 2: repeat (8,10).

8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10, 8, 10

Offset

0,1

Comments

Continued fraction of 4 + 2*sqrt(105)/5 = A176460. - R. J. Mathar, Nov 21 2011

Links

Table of n, a(n) for n=0..71.

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

Formula

G.f.: 2*(-4-5*x)/((x-1)*(1+x)). - R. J. Mathar, Nov 21 2011

From Elmo R. Oliveira, Oct 13 2025: (Start)

E.g.f.: 8*cosh(x) + 10*sinh(x).

a(n) = 2*A010710(n). (End)

Mathematica

PadLeft[{8, 10}, 70, {8, 10}] (* Harvey P. Dale, Aug 09 2011 *)

Prog

(PARI) a(n)=n%2*2+8 \\ Charles R Greathouse IV, Jun 11 2015

Crossrefs

Cf. A010710, A176460.

Sequence in context: A343212 A273651 A088487 * A365790 A066004 A334938

Adjacent sequences: A010730 A010731 A010732 * A010734 A010735 A010736

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved