Equals one maps: number of n X 4 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 n X 4 array.
A221589
Equals one maps: number of n X 4 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 n X 4 array.
Terms
- a(0) =8a(1) =180a(2) =3760a(3) =64324a(4) =1043774a(5) =16758008a(6) =268358624a(7) =4294659968a(8) =68718247424
External references
- oeis: A221589