Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.
A209795
Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.
Terms
- a(0) =2902980a(1) =2819342124
External references
- oeis: A209795