852768

Appears in sequences

• a(n) is half the number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock having at most one duplicate clockwise edge difference.at n=5A209944
• Half the number of (n+1)X7 0..2 arrays with every 2X2 subblock having at most one duplicate clockwise edge difference.at n=0A209949
• T(n,k) is the half the number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock having at most one duplicate clockwise edge difference.at n=15A209951
• T(n,k) is the half the number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock having at most one duplicate clockwise edge difference.at n=20A209951