7895856

Appears in sequences

• Half the number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock having two or three distinct clockwise edge differences.at n=6A210269
• Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences.at n=0A210275
• 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=21A210276