Half the number of (n+1)X6 0..2 arrays with every 2X2 subblock having at most one duplicate clockwise edge difference.
A209948
Half the number of (n+1)X6 0..2 arrays with every 2X2 subblock having at most one duplicate clockwise edge difference.
Terms
- a(0) =112464a(1) =35537484a(2) =11189540644
External references
- oeis: A209948