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A106005 Fibonacci sequence (mod 15). 1

%I #7 Sep 08 2022 08:45:17

%S 0,1,1,2,3,5,8,13,6,4,10,14,9,8,2,10,12,7,4,11,0,11,11,7,3,10,13,8,6,

%T 14,5,4,9,13,7,5,12,2,14,1,0,1,1,2,3,5,8,13,6,4,10,14,9,8,2,10,12,7,4,

%U 11,0,11,11,7,3,10,13,8,6,14,5,4,9,13,7,5,12,2,14,1,0,1,1,2,3,5,8,13,6,4,10

%N Fibonacci sequence (mod 15).

%H Vincenzo Librandi, <a href="/A106005/b106005.txt">Table of n, a(n) for n = 0..1000</a>

%e Sequence is periodic with Pisano period 40.

%t Table[Mod[Fibonacci[n], 15], {n, 0, 100}](* _Vincenzo Librandi_, Feb 04 2014 *)

%o (Magma) [Fibonacci(n) mod 15: n in [0..100]]; // _Vincenzo Librandi_, Feb 04 2014

%K nonn,easy

%O 0,4

%A _Shyam Sunder Gupta_, May 05 2005

%E Added a(0)=0 by _Vincenzo Librandi_, Feb 04 2014

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)