%I #7 Oct 22 2019 12:47:38
%S 1,3,8,20,49,117,280,656,1551,3597,8442,19460,45457,104387,243086,
%T 556842,1294027,2959369,6867428,15687806,36368875,83015759,192321728,
%U 438755532,1015963203,2316887259,5363009706,12226893148,28295070847
%N a(n) = Sum{T(i,j)}, 0<=i<=n, 0<=j<=i, T given by A026714.
%K nonn
%O 0,2
%A _Clark Kimberling_
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