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A028861 a(n) = floor( tan(Fibonacci(n)) ). 0

%I #8 Oct 02 2021 15:00:38

%S 0,1,1,-3,-1,-4,-7,0,-2,-1,-46,1,-1,0,0,0,0,1,-25,-1,2,0,-4,-1,2,0,-4,

%T -1,2,0,-6,-2,1,0,1,1,-3,-1,-3,-3,0,-1,0,-1,-1,-1,-1,-2,-6,1,-1,0,-1,

%U 0,-1,-1,-1,-1,-1,-3,3,0,6,42,-1,4,2,-1,0,-1,0,0,2,-7,-1,9,2,-1,0,0

%N a(n) = floor( tan(Fibonacci(n)) ).

%t Floor[Tan[Fibonacci[Range[0,80]]]] (* _Harvey P. Dale_, Aug 10 2013 *)

%K sign

%O 0,4

%A _N. J. A. Sloane_.

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Last modified April 25 09:38 EDT 2024. Contains 371967 sequences. (Running on oeis4.)