A165734 Period 2: repeat 6,30.

6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30, 6, 30

Offset: 1

Author

Paul Curtz, Sep 25 2009

Keywords

• nonn
• easy

Comments

Continued fraction expansion of (15+sqrt(230))/5. - Klaus Brockhaus, Apr 28 2010

Links

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

Crossrefs

Cf. A124886, A002445, A040214.

Programs

Mathematica

PadRight[{},120,{6,30}] (* Harvey P. Dale, Jun 03 2019 *)

PARI

a(n)=30-n%2*24 \\ Charles R Greathouse IV, Jun 02 2011

Formula

From Philippe Deléham, Sep 27 2009: (Start)

G.f.: 6x(1+5x)/((1-x)(1+x)).

a(n) = 6*A010686(n-1). (End)

Extensions

Edited by N. J. A. Sloane, Sep 25 2009