Half the number of nX8 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

A183583

Half the number of nX8 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

Terms

    a(0) =194a(1) =354615a(2) =171459557a(3) =92915045150

External references