Number of n X 4 1..4 arrays containing at least one of each value, and all equal values connected.

A166768

Number of n X 4 1..4 arrays containing at least one of each value, and all equal values connected.

Terms

    a(0) =24a(1) =3672a(2) =103800a(3) =1505784a(4) =15094248a(5) =120002640

External references