7889877354domain: NAppears in sequencesNumber of (n+2)X(4+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column.at n=4A250500Number of (n+2)X(5+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column.at n=3A250501