Number of (n+1)X(6+1) 0..3 arrays with no adjacent elements equal and with each 2X2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases.
A234784
Number of (n+1)X(6+1) 0..3 arrays with no adjacent elements equal and with each 2X2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases.
Terms
- a(0) =797988a(1) =241927524a(2) =75353928188
External references
- oeis: A234784