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%I #2 Mar 30 2012 16:51:44
%S 1,5,3,19,3,15,9,65,3,15,9,57,9,45,27,211,3,15,9,57,9,45,27,195,9,45,
%T 27,171,27,135,81,665,3,15,9,57,9,45,27,195,9,45,27,171,27,135,81,633,
%U 9,45,27,171,27,135,81,585,27,135,81,513,81,405,243,2059,3,15,9,57,9,45,27,195
%N The rows of A169689 converge to 4 times this sequence.
%F If n = 2^m*(2t+1) then a(n) = (3^(m+1)-2^(m+1))*3^wt(t) where wt() = A000120().
%Y Cf. A169689. Bisections: A048883, A169698.
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Apr 15 2010