%I A047074
%S A047074 1,1,1,3,2,5,6,14,20,45,70,154,252,546,924,1980,3432,7293,12870,27170,
%T A047074 48620,102102,184756,386308,705432,1469650,2704156,5616324,10400600,
%U A047074 21544100,40116600,82907640,155117520,319929885,601080390,1237518450
%N A047074 Sum{T(i,n-i): i=0,1,...,[ n/2 ]}, array T as in A047072.
%Y A047074 Sequence in context: A050061 A058638 A139140 this_sequence A021311 A128224 
               A125026
%Y A047074 Adjacent sequences: A047071 A047072 A047073 this_sequence A047075 A047076 
               A047077
%K A047074 nonn
%O A047074 0,4
%A A047074 Clark Kimberling (ck6(AT)evansville.edu)