Number of 3Xn 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.
A231841
Number of 3Xn 0..3 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.
Terms
- a(0) =64a(1) =422a(2) =4508a(3) =52411a(4) =678660a(5) =8887871a(6) =114873933a(7) =1472320155a(8) =18811450866a(9) =240333888755
External references
- oeis: A231841