Number of (n+1) X (1+1) 0..6 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal.

A233885

Number of (n+1) X (1+1) 0..6 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal.