6028871

Appears in sequences

• Half the number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences.at n=2A210268
• Half the number of (n+1)X4 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences.at n=2A210271
• T(n,k)=Half the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences.at n=12A210276