Number of (n+1) X (4+1) 0..3 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 6.

A233678

Number of (n+1) X (4+1) 0..3 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 6.

Terms

    a(0) =2440a(1) =23568a(2) =216592a(3) =2442208a(4) =25036784a(5) =289389648a(6) =3057995568a(7) =35239626640a(8) =377551693872

External references