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Search: id:A105761
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OFFSET
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1,1
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COMMENT
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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.
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REFERENCES
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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.
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LINKS
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Eric Weisstein's World of Mathematics, Fibonacci n-Step Number
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MATHEMATICA
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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
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CROSSREFS
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Sequence in context: A125634 A075596 A092832 this_sequence A157473 A004864 A106319
Adjacent sequences: A105758 A105759 A105760 this_sequence A105762 A105763 A105764
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KEYWORD
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bref,nonn
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AUTHOR
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T. D. Noe (noe(AT)sspectra.com), Apr 22 2005, May 13 2008
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