OFFSET
1,3
COMMENTS
a(2)=0 because Fibonacci(2)^2=1 has no second divisor.
EXAMPLE
1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 729,... is the beginning of the sequence of divisors of Fibonacci(8)^8 = 37822859361. 63 is the 8th term, so a(8) = 63.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jason Earls, Aug 15 2006
STATUS
approved