Half the number of n X 7 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

A183582

Half the number of n X 7 0..3 arrays with each element equal to either the maximum or the minimum of its horizontal and vertical neighbors.

Terms

    a(0) =80a(1) =65277a(2) =14823037a(3) =3724940988a(4) =922710498351

External references