Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no 2-loops and with no occupancy greater than 2.
A221386
Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no 2-loops and with no occupancy greater than 2.
Terms
- a(0) =0a(1) =190a(2) =20689a(3) =2204556a(4) =229338911a(5) =23796035743
External references
- oeis: A221386