966177domain: NAppears in sequencesNumber of (n+2)X(2+2) 0..2 arrays with the (lower) medians of each row equal and of each column equal.at n=1A237796T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with the (lower) medians of each row equal and of each column equal.at n=4A237797