OFFSET
1,1
FORMULA
a(n) almost equals A096509(prime(n)) >= a(n) because here only primes are counted, the true prime powers not.
For all n, a(n) >= 1.
EXAMPLE
a(100)=2 and the two primes in [534,548] are {541,547};
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Jul 14 2004
STATUS
approved