%I A047091
%S A047091 1,1,4,11,41,139,515,1871,7004,26191,99137,376300,1437105,5505203,
%T A047091 21167781,81602665,315395985,1221558683,4740410605,18426590090,
%U A047091 71736136773,279654633032,1091552835344,4265355947434,16684466516559
%N A047091 T(n,n), array T as in A047089.
%Y A047091 Sequence in context: A077236 A152532 A121096 this_sequence A121092 A030981 
               A151455
%Y A047091 Adjacent sequences: A047088 A047089 A047090 this_sequence A047092 A047093 
               A047094
%K A047091 nonn
%O A047091 0,3
%A A047091 Clark Kimberling (ck6(AT)evansville.edu)