The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #8 Oct 23 2019 20:13:39
%S 29,238,2012,16975,143106,1207017,10191450,86181211,730023605,
%T 6195099626,52668845006,448581627313,3827264611569,32708905417122,
%U 279989900778562,2400407089060955,20609200162062499,177190108342853474,1525420499563895994,13148693465859069309
%N a(n) = Sum_{k=0..2n-3} T(n,k) * T(n,k+3), with T given by A027082.
%K nonn
%O 3,1
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 23 2019