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A005370
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a(n) = Fibonacci(Fibonacci(n+1) + 1).
(Formerly M0891)
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2
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1, 1, 2, 3, 8, 34, 377, 17711, 9227465, 225851433717, 2880067194370816120, 898923707008479989274290850145, 3577855662560905981638959513147239988861837901112, 4444705723234237498833973519982908519933430818636409166351397897095281987215864
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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MAPLE
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with(combinat, fibonacci): A005370 := n -> fibonacci(fibonacci(n+1)+1);
# second Maple program:
F:= n-> (<<0|1>, <1|1>>^n)[1, 2]:
a:= n-> F(F(n+1)+1):
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MATHEMATICA
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PROG
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(Magma) [Fibonacci(Fibonacci(n+1)+1): n in [0..17]]; // Vincenzo Librandi, Apr 20 2011
(SageMath) [fibonacci(fibonacci(n+1) +1) for n in range(15)] # G. C. Greubel, Nov 14 2022
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Description corrected by Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Nov 17 2002
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STATUS
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approved
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