%I #8 Oct 27 2019 11:13:57
%S 0,3,19,126,782,4720,28158,167076,988976,5848884,34587791,204607678,
%T 1211072430,7173288330,42519596826,252225457356,1497318796416,
%U 8895212879140,52881434260371,314587526985030,1872652395544866,11154143632096962,66476020466258370
%N a(n) = self-convolution of row n of array T given by A026323.
%K nonn
%O 1,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 27 2019