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A206611 Fibonacci sequence beginning 13, 7. 2
13, 7, 20, 27, 47, 74, 121, 195, 316, 511, 827, 1338, 2165, 3503, 5668, 9171, 14839, 24010, 38849, 62859, 101708, 164567, 266275, 430842, 697117, 1127959, 1825076, 2953035, 4778111, 7731146, 12509257, 20240403, 32749660, 52990063, 85739723, 138729786 (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, 7}, 80]

PROG

(MAGMA) I:=[13, 7]; [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, A206609, A206610.

Sequence in context: A095389 A217518 A257928 * A298257 A298928 A152142

Adjacent sequences:  A206608 A206609 A206610 * A206612 A206613 A206614

KEYWORD

nonn,easy

AUTHOR

Vladimir Joseph Stephan Orlovsky, Feb 10 2012

STATUS

approved

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Last modified January 18 14:06 EST 2020. Contains 331011 sequences. (Running on oeis4.)