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

11, 13, 178, 7822

Offset

1,1

Comments

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

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

Links

Table of n, a(n) for n=1..4.

Prog

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

Crossrefs

Cf. A064738.

Sequence in context: A366718 A144375 A140969 * A238090 A093605 A288304

Adjacent sequences: A064756 A064757 A064758 * A064760 A064761 A064762

Keyword

more,nonn

Author

Jason Earls, Oct 17 2001

Extensions

One more term from Ryan Propper, Dec 30 2006

Status

approved