OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..112
Blair Kelly, Fibonacci and Lucas Factorizations.
EXAMPLE
a(1)=18 because 18th Fibonacci number (i.e., 2584) consists of 5 prime factors (i.e., 2*2*2*17*19).
MATHEMATICA
t = {}; Do[f = FactorInteger[Fibonacci[n]]; If[Total[Transpose[f][[2]]] == 5, AppendTo[t, n]], {n, 2, 100}]; t (* T. D. Noe, Mar 14 2014 *)
PROG
(PARI) n=1; while(n<385, if(bigomega(fibonacci(n))==5, print1(n, ", ")); n++)
CROSSREFS
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Feb 19 2006
EXTENSIONS
More terms from Ryan Propper, May 22 2006
STATUS
approved