OFFSET
1,3
COMMENTS
omega(x!) is the number of primes <= x.
FORMULA
omega(x): number of distinct prime divisors of x. bigomega(x): number of prime divisors of x, counted with multiplicity.
MATHEMATICA
PrimeNu[#]PrimeOmega[#]&/@(Range[60]!) (* Harvey P. Dale, Aug 14 2013 *)
PROG
(PARI) omegafactxbigomegafact(n) = { local(x); for(x=1, n, print1(omega(x!)*bigomega(x!)", ") ) }
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Jan 29 2006
STATUS
approved