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%I #9 Oct 18 2019 04:03:40
%S 1,2,6,34,116,678,2438,14494,53538,321590,1207186,7301142,27702096,
%T 168359754,643682106,3926147730,15096518580,92338836390,356629256930,
%U 2186194166950,8473375581420,52037098259090,202271610937570,1244063987615130,4847394356321770,29851422385561898
%N Self-convolution of array T given by A026386.
%K nonn
%O 0,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 17 2019