158806

Appears in sequences

• Number of (n+1)X3 0..3 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.at n=1A185920
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant.at n=4A185923