

A115158


Number of divisors of A006558(n).


1




OFFSET

1,2


COMMENTS

a(n) is divisible by 3 for n > 7.
More generally, a(n) is divisible by m for all n >= 2^m.  Max Alekseyev, Aug 05 2015


LINKS



EXAMPLE

phi(33) = phi(34) = phi(35) = 4, so a(3)=4.


CROSSREFS



KEYWORD

nonn,more,hard


AUTHOR



EXTENSIONS



STATUS

approved



