OFFSET
0,1
COMMENTS
a(26) is currently unknown.
FORMULA
MAPLE
See A361509.
MATHEMATICA
a[n_] := Module[{fn = Fibonacci[n], k = 0}, While[! PrimeQ[fn + Fibonacci[k]], k++]; k]; Array[a, 26, 0] (* Amiram Eldar, Mar 30 2023 *)
PROG
(PARI) a(n) = my(k=0, fn=fibonacci(n)); while (!isprime(fn+fibonacci(k)), k++); k; \\ Michel Marcus, Mar 30 2023
CROSSREFS
KEYWORD
nonn,more,less
AUTHOR
Jack Braxton, Mar 26 2023
EXTENSIONS
Edited by N. J. A. Sloane, Mar 30 2023
STATUS
approved