OFFSET
1,1
LINKS
EXAMPLE
a(1)=84 because the 84th Fibonacci number (i.e., 160500643816367088) consists of 13 prime factors (i.e., 2*2*2*2*3*3*13*29*83*211*281*421*1427).
PROG
(PARI) n=1; while(n<360, if(bigomega(fibonacci(n))==13, print1(n, ", ")); n++)
CROSSREFS
KEYWORD
hard,nonn
AUTHOR
Shyam Sunder Gupta, Feb 19 2006
EXTENSIONS
More terms from Ryan Propper, May 24 2006
More terms from Amiram Eldar, Oct 14 2019
STATUS
approved