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D.2.3.8 fibonacci
Procedure from library general.lib (see general_lib).
- Usage:
- fibonacci(n); n,p integers
- Return:
- fibonacci(n): nth Fibonacci number, f(0)=f(1)=1, f(i+1)=f(i-1)+f(i)
- computed in characteristic 0, of type bigint
Example:
| LIB "general.lib";
fibonacci(42);
==> 267914296
| See also:
prime.
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