%I #9 Oct 18 2019 04:04:03

%S 1,10,83,452,3171,14700,97482,422544,2730615,11442786,72932904,

%T 299882916,1895949055,7706754370,48478715240,195623710160,

%U 1226501910315,4925351886030,30811853728475,123326259948044,770315837004637,3076174085773624,19193549752057758,76523420240817792

%N a(n) = Sum_{k=0..n-3} T(n,k) * T(n,k+3), with T given by A026386.

%K nonn

%O 3,2

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Oct 18 2019