Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.
A221481
Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction.
Terms
- a(0) =1a(1) =1713a(2) =182524a(3) =37622097a(4) =6681667775
External references
- oeis: A221481