423694

Appears in sequences

• 1/4 the number of (n+1)X3 0..3 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences.at n=2A210349
• 1/4 the number of (n+1)X4 0..3 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences.at n=1A210350
• T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences.at n=7A210355
• T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences.at n=8A210355