OFFSET
1,6
COMMENTS
It appears that the number of divisors of most Fibonacci numbers is a power of 2.
EXAMPLE
F(6)=8 has 4 divisors {1,2,4,8}, so a(6) = log_2(4) = 2.
CROSSREFS
KEYWORD
sign
AUTHOR
John W. Layman, May 03 2005
STATUS
approved