Number of (n+1)X(5+1) 0..1 arrays with every element equal to some horizontal, vertical or antidiagonal neighbor, with top left element zero.
A232035
Number of (n+1)X(5+1) 0..1 arrays with every element equal to some horizontal, vertical or antidiagonal neighbor, with top left element zero.
Terms
- a(0) =450a(1) =24719a(2) =1272579a(3) =66684606a(4) =3495632937a(5) =183196162778
External references
- oeis: A232035