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%I #5 Mar 30 2012 18:56:53
%S 1,2,3,5,9,18,36,69,134,263,526,1052,2085,4143,8250,16500,33000,65851,
%T 131484,262668,525336,1050672,2100045,4198157,8393603,16787206,
%U 33574412,67136750,134255332,268484858,536969716,1073939432,2147761687
%N Sum{T(i,n-i): i=0,1,...,n}, array T as in A047120.
%K nonn
%O 0,2
%A _Clark Kimberling_
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