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Numbers n such that n! - Fibonacci(n) is prime.
2

%I #8 Dec 15 2017 17:35:42

%S 11,13,178,7822

%N Numbers n such that n! - Fibonacci(n) is prime.

%C 178!-Fibonacci(178) certified prime with Primo.

%C No more terms through 10^4. - _Ryan Propper_, Dec 30 2006

%o (PARI) for(n=1,300, if(isprime(n!-fibonacci(n)),print(n)))

%Y Cf. A064738.

%K more,nonn

%O 1,1

%A _Jason Earls_, Oct 17 2001

%E One more term from _Ryan Propper_, Dec 30 2006