%I A027209
%S A027209 1,7,34,173,741,3549,14670,68683,279715,1294598,5233060,24052965,
%T A027209 96822587,442972139,1778697948,8110611295,32516501991,147897243768,
%U A027209 592346459071
%N A027209 Sum{T(n,k)*T(n,k+2), 0<=k<=n-2, T given by A026725.
%Y A027209 Sequence in context: A032206 A124466 A055271 this_sequence A080048 A027233 
               A117650
%Y A027209 Adjacent sequences: A027206 A027207 A027208 this_sequence A027210 A027211 
               A027212
%K A027209 nonn
%O A027209 2,2
%A A027209 Clark Kimberling (ck6(AT)evansville.edu)