280996212

Appears in sequences

• Number of (n+1)X(3+1) 0..3 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.at n=2A234791
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with each 2X2 subblock having the number of clockwise edge increases less than or equal to the number of counterclockwise edge increases.at n=12A234796