Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal.
A234427
Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 14 and no adjacent elements equal.
Terms
- a(0) =453728a(1) =37628800a(2) =2539059832a(3) =246163893400
External references
- oeis: A234427