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A005370
a(n) = Fibonacci(Fibonacci(n+1) + 1).
(Formerly M0891)
2
1, 1, 2, 3, 8, 34, 377, 17711, 9227465, 225851433717, 2880067194370816120, 898923707008479989274290850145, 3577855662560905981638959513147239988861837901112, 4444705723234237498833973519982908519933430818636409166351397897095281987215864
OFFSET
0,3
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
MAPLE
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):
seq(a(n), n=1..14); # Alois P. Heinz, Nov 05 2015
MATHEMATICA
Table[Fibonacci[Fibonacci[n+1] +1], {n, 0, 14}] (* Vladimir Joseph Stephan Orlovsky, Feb 08 2012 *)
PROG
(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
CROSSREFS
Sequence in context: A340495 A084908 A078742 * A112866 A041657 A191274
KEYWORD
nonn
EXTENSIONS
More terms from David W. Wilson
Description corrected by Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Nov 17 2002
STATUS
approved