Number of (4+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.
A232080
Number of (4+1)X(n+1) 0..1 arrays with every element equal to some horizontal, diagonal or antidiagonal neighbor, with top left element zero.
Terms
- a(0) =111a(1) =3985a(2) =82996a(3) =2265691a(4) =64298979a(5) =1786680190a(6) =49535329657
External references
- oeis: A232080