%I #4 Mar 30 2012 18:56:11
%S 1,9,57,316,1647,8330,41558,206418,1026392,5126109,25763881,130446758,
%T 665644541,3423360416,17740450004,92599616864,486607242642,
%U 2573051443194,13683364565774,73146530405912,392867752273562,2119154966713452
%N T(2n,n+3), T given by A026780.
%K nonn
%O 3,2
%A _Clark Kimberling_
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