%I #8 Oct 23 2019 20:13:30
%S 6,52,404,3237,26086,211730,1730114,14223429,117563545,976408938,
%T 8144436109,68197885773,573056586975,4830577196508,40836850965484,
%U 346138265331977,2941011994449017,25044401420362382,213706426365981010,1827057028991860141,15647888579758708485
%N a(n) = Sum_{k=0..2n-2} T(n,k) * T(n,k+2), with T given by A027082.
%K nonn
%O 2,1
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 23 2019