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
EXAMPLE
phi(33) = phi(34) = phi(35) = 4, so a(3)=4.
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Jud McCranie, Jan 14 2006
EXTENSIONS
a(10) from Jud McCranie, Nov 27 2018
STATUS
approved