83130231052domain: NAppears in sequencesNumber of (n+2)X(3+2) 0..2 arrays with nondecreasing maximum of every three consecutive values in every row and column.at n=2A250457T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with nondecreasing maximum of every three consecutive values in every row and column.at n=12A250459