5385072domain: NAppears in sequencesSum{T(i,n-i): i=0,1,...,n}, array T given by A047000.at n=24A047001Number of (n+1) X 2 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=27A204644