login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A022139 Fibonacci sequence beginning 5, 14. 0
5, 14, 19, 33, 52, 85, 137, 222, 359, 581, 940, 1521, 2461, 3982, 6443, 10425, 16868, 27293, 44161, 71454, 115615, 187069, 302684, 489753, 792437, 1282190, 2074627, 3356817, 5431444, 8788261, 14219705, 23007966, 37227671, 60235637, 97463308, 157698945 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..35.

Tanya Khovanova, Recursive Sequences

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

FORMULA

G.f.: (5+9x)/(1-x-x^2). - Philippe Deléham, Nov 20 2008

a(0)=5, a(1)=14, a(n)=a(n-1)+a(n-2). - Harvey P. Dale, Apr 15 2015

MATHEMATICA

a={}; b=5; c=14; AppendTo[a, b]; AppendTo[a, c]; Do[b=b+c; AppendTo[a, b]; c=b+c; AppendTo[a, c], {n, 4!}]; a (* Vladimir Joseph Stephan Orlovsky, Sep 17 2008 *)

Transpose[NestList[{#[[2]], #[[1]]+#[[2]]}&, {5, 14}, 30]][[1]]  (* Harvey P. Dale, Feb 07 2011 *)

LinearRecurrence[{1, 1}, {5, 14}, 40](* Harvey P. Dale, Apr 15 2015 *)

CROSSREFS

Cf. A000032.

Sequence in context: A071852 A275809 A227793 * A277351 A143707 A003248

Adjacent sequences:  A022136 A022137 A022138 * A022140 A022141 A022142

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified March 24 08:12 EDT 2017. Contains 283985 sequences.