%I A026577
%S A026577 1,2,8,34,121,606,2155,11306,40717,217666,792351,4280046,15703156,
%T A026577 85410872,315180458,1722900242,6385672193,35040356022
%N A026577 T(2n-1,n-1), T given by A026568.
%Y A026577 Sequence in context: A030977 A030821 A005040 this_sequence A111643 A000163 
               A117616
%Y A026577 Adjacent sequences: A026574 A026575 A026576 this_sequence A026578 A026579 
               A026580
%K A026577 nonn
%O A026577 1,2
%A A026577 Clark Kimberling (ck6(AT)evansville.edu)