144000000000domain: NAppears in sequencesNumber of (n+2) X (3+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=4A250596Number of (n+2)X(5+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column.at n=2A250598