%I A025648
%S A025648 0,1,0,2,1,0,3,2,1,4,0,3,2,5,1,4,0,3,6,2,5,1,4,7,0,3,6,2,5,8,1,4,7,0,3,
               6,
%T A025648 9,2,5,8,1,4,7,0,10,3,6,9,2,5,8,1,11,4,7,0,10,3,6,9,2,12,5,8,1,11,4,7,
               0,
%U A025648 10,3,13,6,9,2,12,5,8,1,11,4,14,7,0,10,3,13,6,9,2,12,5,15,8,1,11,4,14,
               7
%N A025648 Exponent of 4 (value of i) in n-th number of form 4^i*7^j.
%Y A025648 Sequence in context: A131103 A096652 A025654 this_sequence A025655 A022336 
               A019586
%Y A025648 Adjacent sequences: A025645 A025646 A025647 this_sequence A025649 A025650 
               A025651
%K A025648 nonn
%O A025648 1,4
%A A025648 David W. Wilson (davidwwilson(AT)comcast.net)