Equals one maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 4Xn array.
A221635
Equals one maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 4Xn array.
Terms
- a(0) =1a(1) =176a(2) =3575a(3) =64828a(4) =1045365a(5) =16774856a(6) =268423663a(7) =4294961836a(8) =68719443799
External references
- oeis: A221635