Number of 4X(n+1) 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and no 2 X 2 subblock having the same number of counterclockwise edge increases as its vertical neighbors.
A205739
Number of 4X(n+1) 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and no 2 X 2 subblock having the same number of counterclockwise edge increases as its vertical neighbors.
Terms
- a(0) =1683a(1) =3318a(2) =14715a(3) =80088a(4) =450339a(5) =2565900a(6) =14781282a(7) =85852548a(8) =502097979a(9) =2953275825a(10) =17454550770a(11) =103577971653a(12) =616733949822
External references
- oeis: A205739