1878808

Appears in sequences

• Number of (n+1) X 2 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly one clockwise edge increases.at n=7A206199
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases.at n=28A206206