78874domain: NAppears in sequencesNumber of (6+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=21A258559Irregular triangle giving on row n all antiderivatives of A024451(n), for n >= 2.at n=15A377992