%I #8 Nov 21 2013 12:47:35
%S 0,0,1,1,1,1,1,1,1,1,1,1,3,2,2,2,2,2,2,3,4,3,2,3,2,3,2,2,3,2,2,4,2,3,
%T 3,2,3,1,2,2,3,1,2,2,3,2,3,3,3,3,4,3,2,2,4,3,3,3,1,4,4,3,2,2,5,6,6,5,
%U 2,4,2,2,2,3,4,3,2,4,5,5,5,4,2,3,4,4,3,5,5,4,3,4,3,3,3,1,3,3,3,4,3,3,4,2,3
%N Number of distinct prime factors in floor((4/3)^n).
%t PrimeNu/@Floor[(4/3)^Range[110]] (* _Harvey P. Dale_, Nov 02 2011 *)
%K easy,nonn
%O 1,13
%A _Benoit Cloitre_, Feb 23 2002