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%I #15 Sep 08 2022 08:46:01
%S 13,9,22,31,53,84,137,221,358,579,937,1516,2453,3969,6422,10391,16813,
%T 27204,44017,71221,115238,186459,301697,488156,789853,1278009,2067862,
%U 3345871,5413733,8759604,14173337,22932941,37106278,60039219,97145497,157184716
%N Fibonacci sequence beginning 13, 9.
%H Vincenzo Librandi, <a href="/A206609/b206609.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).
%t LinearRecurrence[{1, 1}, {13, 9}, 80]
%o (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
%Y Cf. A000032, A000045, A206607, A206608.
%K nonn,easy
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Feb 10 2012
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