Number of (n+1)X(7+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.
A231956
Number of (n+1)X(7+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero.
Terms
- a(0) =12512a(1) =3295580a(2) =732691918a(3) =171279257338
External references
- oeis: A231956