Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 and no adjacent elements equal.
A234408
Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 and no adjacent elements equal.
Terms
- a(0) =21288a(1) =578080a(2) =14995212a(3) =462953524a(4) =14549138832a(5) =478670480044
External references
- oeis: A234408