|
|
A175404
|
|
Numbers k with property that k + Fibonacci(k) is prime.
|
|
2
|
|
|
1, 2, 3, 4, 8, 9, 28, 33, 38, 808, 1642, 13288, 20434, 29001, 57374, 121858
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
|
|
LINKS
|
|
|
MATHEMATICA
|
fQ[n_] := PrimeQ[ Fibonacci@n + n]; lst = {}; k = 1; While[k < 50001, If[fQ@k, AppendTo[lst, k]; Print@k]; k++ ]; lst (* Robert G. Wilson v, Jun 12 2010 *)
Select[Range[2000], PrimeQ[#+Fibonacci[#]]&] (* The program generates the first 11 terms of the sequence. *) (* Harvey P. Dale, Mar 21 2024 *)
|
|
PROG
|
(PARI) isok(n) = isprime(n + fibonacci(n)); \\ Michel Marcus, Mar 30 2016
|
|
CROSSREFS
|
Cf. A000045 = Fibonacci(n), A069108 = Primes of the form k + Fibonacci(k).
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|