%I #3 Mar 31 2012 14:02:13
%S 0,0,1,2,2,3,3,3,4,5,6,12,16,20,31,50,70,106,143
%N Number of distinct primes dividing A060114(n).
%Y a(n) = A001221(A060114(n)). Cf. A081165.
%K nonn
%O 0,4
%A _Antti Karttunen_ & _Wouter Meeussen_ Mar 10 2003
