1853892

Appears in sequences

• Number of (n+1)X3 0..2 arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces.at n=4A187133
• Number of (n+1)X6 0..2 arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces.at n=1A187136
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces.at n=16A187140
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces.at n=19A187140