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A206609 Fibonacci sequence beginning 13, 9. 3
13, 9, 22, 31, 53, 84, 137, 221, 358, 579, 937, 1516, 2453, 3969, 6422, 10391, 16813, 27204, 44017, 71221, 115238, 186459, 301697, 488156, 789853, 1278009, 2067862, 3345871, 5413733, 8759604, 14173337, 22932941, 37106278, 60039219, 97145497, 157184716 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

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

MATHEMATICA

LinearRecurrence[{1, 1}, {13, 9}, 80]

PROG

(MAGMA) I:=[13, 9]; [n le 2 select I[n] else Self(n-1)+Self(n-2): n in [1..40]]; \\ Vincenzo Librandi, Feb 16 2012

CROSSREFS

Cf. A000032, A000045, A206607, A206608.

Sequence in context: A304137 A305043 A066552 * A281085 A072270 A214025

Adjacent sequences:  A206606 A206607 A206608 * A206610 A206611 A206612

KEYWORD

nonn,easy

AUTHOR

Vladimir Joseph Stephan Orlovsky, Feb 10 2012

STATUS

approved

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Last modified September 25 15:09 EDT 2021. Contains 347657 sequences. (Running on oeis4.)