703602018050domain: NAppears in sequencesNumber of (n+2)X(1+2) 0..3 arrays with the (lower) median of each row and column nondecreasing.at n=5A237624T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with the (lower) median of each row and column nondecreasing.at n=15A237625