login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A064738 Numbers k such that k! + Fibonacci(k) is prime. 1
1, 2, 62, 71, 227, 778, 809, 1753 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The three values 62, 71 and 227 were certified prime with Primo.

LINKS

Table of n, a(n) for n=1..8.

MATHEMATICA

Do[m = n; If[PrimeQ[n! + Fibonacci[n]], Print[n]], {n, 0, 10^3} ]

Do[If[PrimeQ[n! + Fibonacci[n]], Print[n]], {n, 1, 1800}] (* Ryan Propper, Nov 05 2005 *)

PROG

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

CROSSREFS

Cf. A005478, A000142.

Sequence in context: A289644 A094478 A273090 * A067825 A239417 A296361

Adjacent sequences:  A064735 A064736 A064737 * A064739 A064740 A064741

KEYWORD

nonn

AUTHOR

Jason Earls, Oct 17 2001

EXTENSIONS

More terms from Robert G. Wilson v, Oct 18 2001

1753 from Ryan Propper, Nov 05 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 21 23:29 EST 2019. Contains 320381 sequences. (Running on oeis4.)