Search: id:A105763
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%I A105763
%S A105763 3,7,191,367,36319,260111,6921503,49570747,12893894812259,
%T A105763 24019714105325502367,172025522413867986317,17007925267174811186047,
%U A105763 3132517481738616046273627839643
%N A105763 Prime Lucas 4-step numbers, A073817.
%D A105763 Tony D. Noe and Jonathan Vos Post, Primes in Fibonacci n-step and Lucas 
               n-step Sequences, Journal of Integer Sequences, Vol. 8 (2005), Article 
               05.4.4.
%H A105763 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Lucasn-StepNumber.html">Lucas n-Step Number</a>
%t A105763 a={-1, -1, -1, 4}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; 
               If[PrimeQ[s], AppendTo[lst, s]], {n, 1000}]; lst
%Y A105763 Cf. A104577 (indices of prime Lucas 4-step numbers).
%Y A105763 Sequence in context: A031881 A114789 A128273 this_sequence A132564 A057619 
               A061422
%Y A105763 Adjacent sequences: A105760 A105761 A105762 this_sequence A105764 A105765 
               A105766
%K A105763 nonn
%O A105763 1,1
%A A105763 T. D. Noe (noe(AT)sspectra.com), Apr 22 2005

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