Number of nX4 0..2 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..2 introduced in row major order.

A241110

Number of nX4 0..2 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..2 introduced in row major order.

Terms

    a(0) =14a(1) =953a(2) =60340a(3) =3829419a(4) =242964166a(5) =15415566961a(6) =978087593971

External references