OFFSET
1,4
EXAMPLE
a(50) = 2 because 50 is not a Fibonacci number, but 50 = 55 - 5. - Sean A. Irvine, Sep 08 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
Floor van Lamoen, Jan 15 2001
EXTENSIONS
a(50) corrected by Sean A. Irvine, Sep 08 2022
STATUS
approved