146228

Appears in sequences

• Number of n X 3 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors.at n=5A283410
• Number of n X 6 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors.at n=2A283413
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors.at n=30A283415
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors.at n=33A283415
• G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - x * (1 + x + x^2) * A(x^3))).at n=16A367714