%I #5 Mar 30 2012 18:35:26
%S 0,1,0,2,1,0,3,2,1,0,4,3,2,1,0,5,4,3,2,1,0,6,5,4,3,2,1,0,7,6,5,4,3,2,
%T 1,0,8,7,6,5,4,3,2,1,0,9,8,7,6,5,4,3,2,1,10,0,9,8,7,6,5,4,3,2,11,1,10,
%U 0,9,8,7,6,5,4,3,12,2,11,1,10,0,9,8,7,6,5,4,13,3,12,2,11,1,10,0,9,8,7,6,5,14,4
%N Exponent of 5 (value of i) in n-th number of form 5^i*6^j.
%K nonn
%O 1,4
%A _David W. Wilson_