2167312950

Appears in sequences

• Half the number of (n+1)X4 0..2 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.at n=4A209791
• Half the number of (n+1)X6 0..2 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.at n=2A209793
• T(n,k)=Half the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.at n=23A209796
• T(n,k)=Half the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.at n=25A209796