OFFSET
1,1
EXAMPLE
a(3)=37 because 37 is the smallest prime such that 37th Fibonacci number (that is, 24157817) consists of 3 prime factors (24157817 = 73*149*2221).
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Shyam Sunder Gupta, Feb 18 2006
EXTENSIONS
a(7) corrected by Amiram Eldar, Oct 14 2019
STATUS
approved