%I A027120
%S A027120 2,7,20,56,155,429,1188,3298,9181,25634,71781,201569,567538,1601971,
%T A027120 4532460,12851882,36516613,103955432,296471643,846932919,2423256440,
%U A027120 6943726380,19924638557,57247669927,164688166948,474323305547
%N A027120 T(n,2n-2), T given by A027113.
%Y A027120 Sequence in context: A000149 A080041 A049681 this_sequence A094982 A007460 
               A034899
%Y A027120 Adjacent sequences: A027117 A027118 A027119 this_sequence A027121 A027122 
               A027123
%K A027120 nonn
%O A027120 2,1
%A A027120 Clark Kimberling (ck6(AT)evansville.edu)