Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX4 array.
A220575
Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 nX4 array.
Terms
- a(0) =8a(1) =115a(2) =1441a(3) =17505a(4) =205323a(5) =2352642a(6) =26616961a(7) =299065708a(8) =3347252663a(9) =37378135504a(10) =416811197294
External references
- oeis: A220575