%I #7 Oct 20 2019 21:47:23
%S 1,2,11,34,173,586,2917,10262,50503,181334,885831,3221146,15652239,
%T 57405038,277822147,1025177314,4945846997,18333973274,88224662549,
%U 328195843910,1576001732485,5879010027618,28181895551161,105362519875518,504329070986033,1888952213601906
%N a(n) = self-convolution of array T given by A026670.
%K nonn
%O 0,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 20 2019
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