OFFSET
1,2
COMMENTS
F(1) and F(2), both being 1, count as having zero prime factors each.
0 is not a term since all primes divide 0.
For the corresponding Fibonacci numbers, see A328734.
LINKS
Blair Kelly, Fibonacci factorizations up to 1000 terms
Tomás Roca Sánchez, Python script that uses already factorized numbers of the sequence
EXAMPLE
F(8) = 21 = 3 * 7, and F(9) = 34 = 2 * 17 have 2 prime factors each, so 8 is a part of the sequence.
PROG
(Python) # See link
(PARI) isok(k) = bigomega(fibonacci(k)) == bigomega(fibonacci(k+1)); \\ Michel Marcus, Nov 11 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Tomás Roca Sánchez, Oct 26 2019
EXTENSIONS
More terms from Amiram Eldar, Oct 26 2019
STATUS
approved