2647102500domain: NAppears in sequencesNumber of (n+1)X(4+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=6A250439Number of (n+1)X(7+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=3A250442