Number of (n+1) X (n+1) 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.
A205816
Number of (n+1) X (n+1) 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.
Terms
- a(0) =24a(1) =216a(2) =2880a(3) =67944a(4) =2791080a(5) =206195280a(6) =27196042704
External references
- oeis: A205816