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%I #4 Mar 30 2012 18:56:51
%S 1,2,5,16,53,186,665,2430,8981,33556,126300,478468,1821677,6965726,
%T 26730639,102895388,397130997,1536321264,5955477230,23128018490,
%U 89962619148,350442078972,1366907765382,5337995113404,20868301796085
%N T(n,n+1), array T given by A047000.
%K nonn
%O 0,2
%A _Clark Kimberling_