A063374 a(n) = Fibonacci(n!).

1, 1, 1, 8, 46368, 5358359254990966640871840, 1323171012053243520828784042795469593341319770463238313551473338336502410952765153371119398122747569819754164672344667591018783803781288766524146031040

Offset: 0

Author

Jason Earls, Jul 23 2001

Keywords

• nonn

Crossrefs

Cf. A000045, A000142, A101293.

Programs

Maple

a:= n-> (<<0|1>, <1|1>>^(n!))[1, 2]:
seq(a(n), n=0..6);  # Alois P. Heinz, Jun 10 2018

Mathematica

Array[Fibonacci[ #! ]&,7] (* Vladimir Joseph Stephan Orlovsky, Nov 01 2009 *)

PARI

for(n=0,6,print(fibonacci(n!)))

Sage

[fibonacci(factorial(n)) for n in range(0, 9)] # Zerinvary Lajos, Nov 30 2009

Formula

a(n) = A000045(A000142(n)).