Number of (n+1)X7 0..2 arrays with every 2X2 subblock having one or three distinct values, and new values 0..2 introduced in row major order.
A210105
Number of (n+1)X7 0..2 arrays with every 2X2 subblock having one or three distinct values, and new values 0..2 introduced in row major order.
Terms
- a(0) =12766a(1) =721705a(2) =38420586a(3) =2068413037a(4) =111283430198
External references
- oeis: A210105