Search: id:A105761
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%I A105761
%S A105761 2,127,31489
%N A105761 Prime Fibonacci 7-step numbers, A066178.
%C A105761 The next term is the 30673-digit probable prime 59456197869789581...206057955817 
               that is the 102490th term of the heptanacci sequence (using the definition 
               in Noe-Post and Weisstein). This is too large to include here.
%D A105761 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 A105761 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Fibonaccin-StepNumber.html">Fibonacci n-Step Number</a>
%t A105761 a={1, 0, 0, 0, 0, 0, 0}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; 
               If[PrimeQ[s], AppendTo[lst, s]], {n, 100}]; lst
%Y A105761 Sequence in context: A125634 A075596 A092832 this_sequence A157473 A004864 
               A106319
%Y A105761 Adjacent sequences: A105758 A105759 A105760 this_sequence A105762 A105763 
               A105764
%K A105761 bref,nonn
%O A105761 1,1
%A A105761 T. D. Noe (noe(AT)sspectra.com), Apr 22 2005, May 13 2008

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