%I A026590
%S A026590 1,1,5,19,69,341,1203,6336,22593,121483,438533,2381512,8677763,
%T A026590 47419503,173984792,954961034,3522101709,19397198595,71831252031
%N A026590 T(2n,n), T given by A026584.
%Y A026590 Sequence in context: A055991 A030662 A149758 this_sequence A095073 A128349 
               A001834
%Y A026590 Adjacent sequences: A026587 A026588 A026589 this_sequence A026591 A026592 
               A026593
%K A026590 nonn
%O A026590 0,3
%A A026590 Clark Kimberling (ck6(AT)evansville.edu)