%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 1,0,8,7,6,5,4,3,2,1,0,9,8,7,6,5,4,3,2,1,0,10,9,8,7,6,5,4,3,2,1,0,11,
%U 10,9,8,7,6,5,4,3,2,1,0,12,11,10,9,8,7,6,5,4,3,2,1,13,0,12,11,10,9,8,7,6,5,4,3
%N Exponent of 6 (value of i) in n-th number of form 6^i*7^j.
%K nonn
%O 1,4
%A _David W. Wilson_