Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nX4 array.
A220915
Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nX4 array.
Terms
- a(0) =8a(1) =165a(2) =3687a(3) =61597a(4) =1004213a(5) =16172914a(6) =259395789a(7) =4155013023
External references
- oeis: A220915