Number of (n+1)X(3+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.
A234426
Number of (n+1)X(3+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) =44140a(1) =1729584a(2) =58371648a(3) =2539059832a(4) =109799236808
External references
- oeis: A234426