Number of (n+1)X4 0..3 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.

A185921

Number of (n+1)X4 0..3 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.

Terms

    a(0) =49342a(1) =7232034a(2) =1079255234a(3) =160170012852

External references