11205045

Appears in sequences

• Number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward and upward neighbors.at n=7A206661
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward and upward neighbors.at n=28A206668