Number of (n+1) X 6 0..3 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors.
A205952
Number of (n+1) X 6 0..3 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors.
Terms
- a(0) =1285076a(1) =47118720a(2) =1912957100a(3) =90234357280
External references
- oeis: A205952