A206608 - OEIS

A206608

Fibonacci sequence beginning 13, 10.

13, 10, 23, 33, 56, 89, 145, 234, 379, 613, 992, 1605, 2597, 4202, 6799, 11001, 17800, 28801, 46601, 75402, 122003, 197405, 319408, 516813, 836221, 1353034, 2189255, 3542289, 5731544, 9273833, 15005377, 24279210, 39284587, 63563797, 102848384, 166412181

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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).

FORMULA

a(n) = Fibonacci(n+5) + Fibonacci(n-6). - Greg Dresden and Gavron Campbell, Mar 03 2022

MATHEMATICA

LinearRecurrence[{1, 1}, {13, 10}, 80]

PROG

(Magma) I:=[13, 10]; [n le 2 select I[n] else Self(n-1)+ Self(n-2): n in [1..40]]; // Vincenzo Librandi, Feb 16 2012