Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #29 Jun 05 2024 12:10:34
%S 13,10,23,33,56,89,145,234,379,613,992,1605,2597,4202,6799,11001,
%T 17800,28801,46601,75402,122003,197405,319408,516813,836221,1353034,
%U 2189255,3542289,5731544,9273833,15005377,24279210,39284587,63563797,102848384,166412181
%N Fibonacci sequence beginning 13, 10.
%H Vincenzo Librandi, <a href="/A206608/b206608.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (1,1).
%F a(n) = Fibonacci(n+5) + Fibonacci(n-6). - _Greg Dresden_ and Gavron Campbell, Mar 03 2022
%t LinearRecurrence[{1, 1}, {13, 10}, 80]
%o (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
%Y Cf. A000032, A000045, A206607.
%K nonn,easy
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Feb 10 2012