%I A065676
%S A065676 0,1,1,0,1,1,0,2,1,0,2,2,0,1,2,0,1,3,0,2,3,0,2,2,0,3,2,0,3,1,0,1,1,0,1,
               2,
%T A065676 0,2,2,0,2,3,0,1,3,0,1,1,0,3,1,0,3,2,0,2,2,0,2,1,0,1,1,0,1,1,0,2,1,0,2,
               1,
%U A065676 0,3,1,0,3,4,0,1,4,0,1,1,0,2,1,0,2,1,0,1,1,0,1,1,0,1,1,0,1,2,0,1,2,0,1,
               1
%V A065676 0,-1,1,0,1,-1,0,-2,1,0,-2,2,0,-1,2,0,1,-3,0,2,-3,0,2,-2,0,3,-2,0,3,-1,
               0,-1,1,0,-1,2,
%W A065676 0,-2,2,0,-2,3,0,-1,3,0,-1,1,0,-3,1,0,-3,2,0,-2,2,0,-2,1,0,-1,1,0,1,-1,
               0,2,-1,0,2,-1,
%X A065676 0,3,-1,0,3,-4,0,1,-4,0,1,-1,0,2,-1,0,2,-1,0,1,-1,0,1,-1,0,1,-1,0,1,-2,
               0,1,-2,0,1,-1
%N A065676 The exponent of 2 in the fractions of the whole ]0, inf[ Stern-Brocot 
               tree (A007305/A047679) [1/1, 1/2, 2/1, 1/3, 2/3, 3/2, 3/1, 1/4, 2/
               5, 3/5, 3/4, 4/3, 5/3, 5/2, 4/1, ...].
%H A065676 <a href="Sindx_St.html#Stern">Index entries for sequences related to 
               Stern's sequences</a>
%p A065676 [seq(exp_of_2(SternBrocotTreeNum(j)/SternBrocotTreeDen(j)),j=1..128)];
%Y A065676 Cf. A065675, A065674, A065658.
%Y A065676 Sequence in context: A000925 A003985 A157237 this_sequence A146973 A003263 
               A157242
%Y A065676 Adjacent sequences: A065673 A065674 A065675 this_sequence A065677 A065678 
               A065679
%K A065676 sign
%O A065676 1,8
%A A065676 Antti Karttunen Nov 22 2001