%I #9 Oct 18 2019 04:03:00
%S 1,3,11,38,129,429,1407,4563,14669,46823,148587,469226,1475669,
%T 4624437,14447703,45017082,139937301,434093367,1344076131,4154688864,
%U 12823246677,39524238741,121671304191,374126377473,1149197708385,3526577233659,10812501524627,33123904911608
%N a(n) = Sum_{k=0..n} (k+1) * T(n, k), with T given by A026300.
%K nonn
%O 0,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 17 2019