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%I #5 Mar 30 2012 18:57:02
%S 1,3,6,14,44,178,892,5354,37480,299842,2698580,26985802,296843824,
%T 3562125890,46307636572,648306912010,9724603680152,155593658882434,
%U 2645092201001380
%N Sum{T(n,k): k=0,1,...,n}, array T as in A054098.
%K nonn
%O 0,2
%A _Clark Kimberling_