A064759 Numbers k such that k! - Fibonacci(k) is prime.

11, 13, 178, 7822

Offset: 1

Author

Jason Earls, Oct 17 2001

Keywords

• more
• nonn

Comments

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

No more terms through 10^4. - Ryan Propper, Dec 30 2006

No more terms through 2*10^4. - Michael S. Branicky, Dec 24 2024

Crossrefs

Cf. A064738.

Programs

PARI

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

Extensions

a(4) from Ryan Propper, Dec 30 2006