A166067 Fibonacci sequence beginning 1, 69.

1, 69, 70, 139, 209, 348, 557, 905, 1462, 2367, 3829, 6196, 10025, 16221, 26246, 42467, 68713, 111180, 179893, 291073, 470966, 762039, 1233005, 1995044, 3228049, 5223093, 8451142, 13674235, 22125377, 35799612, 57924989, 93724601, 151649590

Offset: 0

Author

Submitted Oct 06 2009 by someone who later asked to have his name removed from the Author line

Keywords

• nonn

Links

• G. C. Greubel, Table of n, a(n) for n = 0..999
• Index entries for linear recurrences with constant coefficients, signature (1, 1).

Programs

Mathematica

CoefficientList[Series[(-68x-1)/(x^2+x-1),{x,0,40}],x]   (* Harvey P. Dale, Mar 14 2011 *)

Formula

a(n) = a(n-1) + a(n-2).

G.f.: (1+68*x)/(1-x-x^2). - Philippe Deléham, Oct 06 2009

a(n) = 68*A000045(n) + A000045(n+1). - R. J. Mathar, Oct 08 2009