%I #8 Oct 27 2019 19:59:31
%S 5,36,293,2374,19398,159072,1310669,10844525,90088935,751173656,
%T 6284938344,52752138077,444072874534,3748425872686,31720368301774,
%U 269056938823323,2287158222456938,19481849054942368,166260043774604820,1421400361753347588,12172156656845655429
%N a(n) = Sum_{k=0..m} T(n,k) * T(n,k+2), where m=2 for n=2 and m=n+1 for n >= 3; and T is given by A026148.
%K nonn
%O 2,1
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 27 2019