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%I #6 Mar 11 2014 01:32:24
%S 0,1,-1,0,-1,0,-2,-1,1,2,0,1,0,1,-1,0,-1,0,-2,-1,-2,-1,-3,-2,0,1,-1,0,
%T -1,0,-2,-1,1,2,0,1,0,1,-1,0,2,3,1,2,1,2,0,1,0,1,-1,0,-1,0,-2,-1,1,2,
%U 0,1,0,1,-1,0,1,2,0,1,0,1,-1,0,2,3,1,2,1,2,0,1,0,1,-1,0,-1,0,-2,-1,1,2,0,1,0,1,-1,0,2,3,1,2,1,2,0,1,3,4,2,3,2,3,1,2,1,2
%N a(1)=0. If a(m) is odd, then a(2^(m-1)+k) = a(k)-1, for all k where 1<=k<=2^(m-1). If a(m) is even, then a(2^(m-1)+k) = a(k)+1, for all k where 1<=k<=2^(m-1).
%F a(n) = 1 - A104145(n). - _Leroy Quet_, Apr 22 2008
%e Starting with a(1) = 1 instead gets sequence A104145.
%Y Cf. A104145.
%K easy,sign
%O 1,7
%A _Leroy Quet_, Apr 15 2008
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