%I #7 Oct 20 2019 16:29:09
%S 1,2,11,52,200,742,2752,10278,38670,146426,557408,2131318,8179646,
%T 31491202,121568150,470404274,1823968074,7085220834,27567196704,
%U 107414120214,419080195374,1636990646274,6401210885934,25055584929954,98160790785714,384885441746202,1510279309724502
%N a(n) = selfconvolution of array T given by A026615.
%K nonn
%O 0,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 20 2019
