OFFSET
1,1
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..1000
EXAMPLE
a(17) = 9 since 36 is the 17th number with prime number of prime divisors and 36 is divisible by 9 numbers.
PROG
(PARI) { n=0; for (m=1, 10^9, if (isprime(omega(m)), write("b064041.txt", n++, " ", numdiv(m)); if (n==1000, break)) ) } \\ Harry J. Smith, Sep 06 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Lior Manor, Aug 23 2001
STATUS
approved