A064759 - OEIS

%I #13 Dec 24 2024 22:13:13

%S 11,13,178,7822

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

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

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

%C No more terms through 2*10^4. - _Michael S. Branicky_, Dec 24 2024

%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 a(4) from _Ryan Propper_, Dec 30 2006