Number of (n+1)X4 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor.
A205515
Number of (n+1)X4 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor.
Terms
- a(0) =1683a(1) =17166a(2) =205803a(3) =2343348a(4) =27630789a(5) =312856410a(6) =3703472454a(7) =41913844878a(8) =495981580533
External references
- oeis: A205515