Number of n X 2 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.
A231833
Number of n X 2 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.
Terms
- a(0) =4a(1) =50a(2) =422a(3) =3823a(4) =34350a(5) =308419a(6) =2771101a(7) =24892609a(8) =223618304a(9) =2008825312a(10) =18045827096a(11) =162110668160
External references
- oeis: A231833