4405125168domain: NAppears in sequencesNumber of (n+2)X(1+2) 0..2 arrays with the (lower) medians of each row and column unequal to its neighbors.at n=5A237731T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with the (lower) medians of each row and column unequal to its neighbors.at n=15A237733