Number of 7Xn 0..2 arrays with exactly floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

A222696

Number of 7Xn 0..2 arrays with exactly floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

Terms

    a(0) =0a(1) =5440a(2) =159672a(3) =11082863a(4) =301760538a(5) =27752564898a(6) =832227066041

External references