A206610 Fibonacci sequence beginning 13, 8.

13, 8, 21, 29, 50, 79, 129, 208, 337, 545, 882, 1427, 2309, 3736, 6045, 9781, 15826, 25607, 41433, 67040, 108473, 175513, 283986, 459499, 743485, 1202984, 1946469, 3149453, 5095922, 8245375, 13341297, 21586672, 34927969, 56514641, 91442610, 147957251

Offset

1,1

Links

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

Rigoberto Flórez, Robinson A. Higuita, and Antara Mukherjee, The Geometry of some Fibonacci Identities in the Hosoya Triangle, arXiv:1804.02481 [math.NT], 2018.

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

Mathematica

LinearRecurrence[{1, 1}, {13, 8}, 80]

Prog

(Magma) I:=[13, 8]; [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, A206608, A206609.

Sequence in context: A303238 A357656 A166522 * A250031 A301825 A300377

Adjacent sequences: A206607 A206608 A206609 * A206611 A206612 A206613

Keyword

nonn,easy

Author

Vladimir Joseph Stephan Orlovsky, Feb 10 2012

Status

approved