492373

Appears in sequences

• 1/4 the number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock having one or four distinct clockwise edge differences.at n=5A209851
• 1/4 the number of (n+1)X7 0..3 arrays with every 2X2 subblock having one or four distinct clockwise edge differences.at n=0A209856
• T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one or four distinct clockwise edge differences.at n=15A209858
• T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one or four distinct clockwise edge differences.at n=20A209858