21993587

Appears in sequences

• Number of (n+3)X4 0..3 arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock.at n=4A186591
• Number of (n+3) X 8 0..3 arrays with every 4 X 4 subblock commuting with each horizontal and vertical neighbor 4 X 4 subblock.at n=0A186595
• T(n,k) = Number of (n+3) X (k+3) 0..3 arrays with every 4 X 4 subblock commuting with each horizontal and vertical neighbor 4 X 4 subblock.at n=10A186599
• T(n,k) = Number of (n+3) X (k+3) 0..3 arrays with every 4 X 4 subblock commuting with each horizontal and vertical neighbor 4 X 4 subblock.at n=14A186599