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A022138 Fibonacci sequence beginning 5, 13. 3
5, 13, 18, 31, 49, 80, 129, 209, 338, 547, 885, 1432, 2317, 3749, 6066, 9815, 15881, 25696, 41577, 67273, 108850, 176123, 284973, 461096, 746069, 1207165, 1953234, 3160399, 5113633, 8274032, 13387665, 21661697, 35049362, 56711059, 91760421, 148471480 (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+8x)/(1-x-x^2). - Philippe Deléham, Nov 20 2008

MATHEMATICA

a={}; b=5; c=13; 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 *)

CROSSREFS

Cf. A000032.

Sequence in context: A101864 A190432 A197563 * A226193 A028274 A272723

Adjacent sequences:  A022135 A022136 A022137 * A022139 A022140 A022141

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified March 25 13:42 EDT 2017. Contains 284081 sequences.