Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6.

A233627

Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6.

Terms

    a(0) =100a(1) =10544a(2) =4350820a(3) =8271515976

External references