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a(n) = Fibonacci(n!)!.
0

%I #12 Sep 08 2022 08:45:49

%S 1,1,1,40320

%N a(n) = Fibonacci(n!)!.

%C Next term is 3.791012980299080...*10^196228.

%t Table[Fibonacci[n! ]!,{n,0,4}]

%o (Sage) [factorial(fibonacci(factorial(n))) for n in range(0, 5)] # _Zerinvary Lajos_, Nov 29 2009

%o (Magma) [Factorial(Fibonacci(Factorial(n))): n in [0..3]]; // _Vincenzo Librandi_, Feb 03 2018

%K nonn

%O 0,4

%A _Vladimir Joseph Stephan Orlovsky_, Nov 23 2009

%E Offset corrected by _Jon E. Schoenfield_, May 08 2010