Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

A231743

Number of nX4 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

Terms

    a(0) =50a(1) =1328a(2) =60806a(3) =2154900a(4) =71742015a(5) =2426463539a(6) =82701946547

External references