894720domain: NAppears in sequencesNumber of nX6 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=3A207086T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=39A207088Number of 4Xn 0..1 arrays avoiding 0 0 0 horizontally and 0 0 1 vertically.at n=5A207090